18808362 has 20 divisors (see below), whose sum is σ = 42145026. Its totient is φ = 6269400.

The previous prime is 18808357. The next prime is 18808373. The reversal of 18808362 is 26380881.

It can be written as a sum of positive squares in only one way, i.e., 18740241 + 68121 = 4329^2 + 261^2 .

It is a super-2 number, since 2×18808362² = 707508962246088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57889 + ... + 58212.

Almost surely, 2^18808362 is an apocalyptic number.

18808362 is an abundant number, since it is smaller than the sum of its proper divisors (23336664).

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

18808362 is a wasteful number, since it uses less digits than its factorization.

18808362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116115 (or 116106 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 18808362 is about 4336.8608462804. The cubic root of 18808362 is about 265.9399962644.

The spelling of 18808362 in words is "eighteen million, eight hundred eight thousand, three hundred sixty-two".