16804504 has 8 divisors (see below), whose sum is σ = 31508460. Its totient is φ = 8402248.

The previous prime is 16804499. The next prime is 16804507. The reversal of 16804504 is 40540861.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16804507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050274 + ... + 1050289.

Almost surely, 2^16804504 is an apocalyptic number.

It is an amenable number.

16804504 is a deficient number, since it is larger than the sum of its proper divisors (14703956).

16804504 is a wasteful number, since it uses less digits than its factorization.

16804504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100569 (or 2100565 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 16804504 is about 4099.3297013048. The cubic root of 16804504 is about 256.1387187642.

The spelling of 16804504 in words is "sixteen million, eight hundred four thousand, five hundred four".