10809904 has 20 divisors (see below), whose sum is σ = 23936464. Its totient is φ = 4632768.

The previous prime is 10809893. The next prime is 10809923. The reversal of 10809904 is 40990801.

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, 48147 + ... + 48370.

Almost surely, 2^10809904 is an apocalyptic number.

10809904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10809904 is an abundant number, since it is smaller than the sum of its proper divisors (13126560).

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

10809904 is an equidigital number, since it uses as much as digits as its factorization.

10809904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96532 (or 96526 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10809904 is about 3287.8418453448. The cubic root of 10809904 is about 221.1094371415.

The spelling of 10809904 in words is "ten million, eight hundred nine thousand, nine hundred four".