16904272 has 40 divisors (see below), whose sum is σ = 40836672. Its totient is φ = 6585600.

The previous prime is 16904263. The next prime is 16904309. The reversal of 16904272 is 27240961.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5629 + ... + 8092.

Almost surely, 2^16904272 is an apocalyptic number.

It is an amenable number.

16904272 is an abundant number, since it is smaller than the sum of its proper divisors (23932400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16904272 is a wasteful number, since it uses less digits than its factorization.

16904272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13747 (or 13741 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16904272 is about 4111.4805119324. The cubic root of 16904272 is about 256.6446157102.

The spelling of 16904272 in words is "sixteen million, nine hundred four thousand, two hundred seventy-two".