Numbers 1:46

And the sons of Israel journeyed from Rameses to Succoth, about six hundred thousand men on foot, aside from the little ones.

a beka a head (that is, half a shekel according to the shekel of the sanctuary), for each one who passed over to those who were numbered, from twenty years old and upward, for 603,550 men.

These are the numbered men of the sons of Israel by their fathers’ households; the total of the numbered men of the camps by their armies, 603,550.

your corpses will fall in this wilderness, even all your numbered men, according to your complete number from twenty years old and upward, who have grumbled against Me.

These are those who were numbered of the sons of Israel, 601,730.

And Joab gave the total count of the census of the people to the king; and there were in Israel 800,000 valiant men who drew the sword, and the men of Judah were 500,000 men.