18638096 has 20 divisors (see below), whose sum is σ = 37682112. Its totient is φ = 8913696.

The previous prime is 18638089. The next prime is 18638101. The reversal of 18638096 is 69083681.

It is a happy 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, 24956 + ... + 25691.

Almost surely, 2^18638096 is an apocalyptic number.

18638096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18638096 is an abundant number, since it is smaller than the sum of its proper divisors (19044016).

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

18638096 is a wasteful number, since it uses less digits than its factorization.

18638096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50678 (or 50672 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 18638096 is about 4317.1861206114. The cubic root of 18638096 is about 265.1350729465.

The spelling of 18638096 in words is "eighteen million, six hundred thirty-eight thousand, ninety-six".