18790104 has 16 divisors (see below), whose sum is σ = 46975320. Its totient is φ = 6263360.

The previous prime is 18790091. The next prime is 18790129. The reversal of 18790104 is 40109781.

It is a congruent number.

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, 391437 + ... + 391484.

Almost surely, 2^18790104 is an apocalyptic number.

It is an amenable number.

18790104 is an abundant number, since it is smaller than the sum of its proper divisors (28185216).

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

18790104 is a wasteful number, since it uses less digits than its factorization.

18790104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782930 (or 782926 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 18790104 is about 4334.7553564186. The cubic root of 18790104 is about 265.8539156787.

Adding to 18790104 its reverse (40109781), we get a palindrome (58899885).

The spelling of 18790104 in words is "eighteen million, seven hundred ninety thousand, one hundred four".