18836804 has 12 divisors (see below), whose sum is σ = 37673664. Its totient is φ = 8072904.

The previous prime is 18836791. The next prime is 18836819. The reversal of 18836804 is 40863881.

18836804 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336344 + ... + 336399.

It is an arithmetic number, because the mean of its divisors is an integer number (3139472).

Almost surely, 2^18836804 is an apocalyptic number.

18836804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18836804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18836804 is a wasteful number, since it uses less digits than its factorization.

18836804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672754 (or 672752 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 18836804 is about 4340.1387074609. The cubic root of 18836804 is about 266.0739802141.

The spelling of 18836804 in words is "eighteen million, eight hundred thirty-six thousand, eight hundred four".