18104304 has 20 divisors (see below), whose sum is σ = 46769576. Its totient is φ = 6034752.

The previous prime is 18104287. The next prime is 18104347. The reversal of 18104304 is 40340181.

It is a congruent number.

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, 188539 + ... + 188634.

Almost surely, 2^18104304 is an apocalyptic number.

It is an amenable number.

18104304 is an abundant number, since it is smaller than the sum of its proper divisors (28665272).

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

18104304 is a wasteful number, since it uses less digits than its factorization.

18104304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377184 (or 377178 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 18104304 is about 4254.9152753022. The cubic root of 18104304 is about 262.5793755422.

Adding to 18104304 its reverse (40340181), we get a palindrome (58444485).

The spelling of 18104304 in words is "eighteen million, one hundred four thousand, three hundred four".