16804904 has 16 divisors (see below), whose sum is σ = 32879520. Its totient is φ = 8037040.

The previous prime is 16804903. The next prime is 16804933. The reversal of 16804904 is 40940861.

It is not an unprimeable number, because it can be changed into a prime (16804903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45482 + ... + 45849.

It is an arithmetic number, because the mean of its divisors is an integer number (2054970).

Almost surely, 2^16804904 is an apocalyptic number.

It is an amenable number.

16804904 is a deficient number, since it is larger than the sum of its proper divisors (16074616).

16804904 is a wasteful number, since it uses less digits than its factorization.

16804904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91360 (or 91356 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 16804904 is about 4099.3784894786. The cubic root of 16804904 is about 256.1407510502.

The spelling of 16804904 in words is "sixteen million, eight hundred four thousand, nine hundred four".