Judges 20:2

And the chief of all the people, even of all the tribes of Israel, presented themselves in the assembly of the people of God, four hundred thousand footmen that drew sword.

Cross-references

Judges 20:15 gives the Benjaminite army count (26,700) — directly contrasting with the 400,000 Israelite men in Judges 20:2.

Judges 20:17 repeats the same figure of 400,000 Israelite swordsmen from Judges 20:2 — a direct numerical parallel.