369 (number)

369 (three hundred [and] sixty-nine) is the natural number following 368 and preceding 370.

In mathematics
369 is the magic constant of the 9 × 9 magic square and the n-Queens Problem for n = 9.

There are 369 free octominoes (polyominoes of order 8).

369 is a Ruth-Aaron Pair with 370. The sums of their prime factors are equivalent.