18802104 has 16 divisors (see below), whose sum is σ = 47005320. Its totient is φ = 6267360.

The previous prime is 18802081. The next prime is 18802123. The reversal of 18802104 is 40120881.

It is a super-2 number, since 2×18802104² = 707038229653632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 783421 = 18802104 / (1 + 8 + 8 + 0 + 2 + 1 + 0 + 4).

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, 391687 + ... + 391734.

Almost surely, 2^18802104 is an apocalyptic number.

It is an amenable number.

18802104 is an abundant number, since it is smaller than the sum of its proper divisors (28203216).

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

18802104 is a wasteful number, since it uses less digits than its factorization.

18802104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783430 (or 783426 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 18802104 is about 4336.1392966555. The cubic root of 18802104 is about 265.9104980886.

Adding to 18802104 its reverse (40120881), we get a palindrome (58922985).

The spelling of 18802104 in words is "eighteen million, eight hundred two thousand, one hundred four".