16904236 has 12 divisors (see below), whose sum is σ = 29714328. Its totient is φ = 8414432.

The previous prime is 16904221. The next prime is 16904249. The reversal of 16904236 is 63240961.

It is a junction number, because it is equal to n+sod(n) for n = 16904198 and 16904207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8401 + ... + 10216.

It is an arithmetic number, because the mean of its divisors is an integer number (2476194).

Almost surely, 2^16904236 is an apocalyptic number.

It is an amenable number.

16904236 is a deficient number, since it is larger than the sum of its proper divisors (12810092).

16904236 is a wasteful number, since it uses less digits than its factorization.

16904236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18848 (or 18846 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 16904236 is about 4111.4761339451. The cubic root of 16904236 is about 256.6444335233.

Subtracting from 16904236 its sum of digits (31), we obtain a triangular number (16904205 = T₅₈₁₄).

The spelling of 16904236 in words is "sixteen million, nine hundred four thousand, two hundred thirty-six".