2430

2430 = 2 x 3 x 3 x 3 x 3 x 3 x 5.

2430 is the number of unordered ways to write 1 as a sum of reciprocals of integers no larger than 18.

2430 is 3300 in base 9.

2430 is the sum of two powers of 3 (A055235).

2430 is the product of all distinct numbers formed by permuting digits of 2430 (A061147).

2430 is a number divisible by the square of the sum of its digits (A072081).

2430 divides 91²⁷ - 1.

Source: What's Special About This Number