18804008 has 16 divisors (see below), whose sum is σ = 35856000. Its totient is φ = 9242416.

The previous prime is 18803971. The next prime is 18804017. The reversal of 18804008 is 80040881.

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, 19448 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (2241000).

Almost surely, 2^18804008 is an apocalyptic number.

It is an amenable number.

18804008 is a deficient number, since it is larger than the sum of its proper divisors (17051992).

18804008 is a wasteful number, since it uses less digits than its factorization.

18804008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39904 (or 39900 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 18804008 is about 4336.3588412400. The cubic root of 18804008 is about 265.9194736178.

Adding to 18804008 its reverse (80040881), we get a palindrome (98844889).

The spelling of 18804008 in words is "eighteen million, eight hundred four thousand, eight".