Exodus 12:37
And the children of Israel journeyed from Rameses to Succoth, about six hundred thousand on foot that were men, beside children.
Torrey's Topical Textbook—AKJV

Numbers 1:44-46
These are those that were numbered, which Moses and Aaron numbered, and the princes of Israel, being twelve men: each one was for the house of his fathers.
Torrey's Topical Textbook—AKJV

Numbers 2:32
These are those which were numbered of the children of Israel by the house of their fathers: all those that were numbered of the camps throughout their hosts were six hundred thousand and three thousand and five hundred and fifty.
Torrey's Topical Textbook—AKJV