18338108 has 6 divisors (see below), whose sum is σ = 32091696. Its totient is φ = 9169052.

The previous prime is 18338083. The next prime is 18338113. The reversal of 18338108 is 80183381.

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 as a sum of consecutive naturals, namely, 2292260 + ... + 2292267.

It is an arithmetic number, because the mean of its divisors is an integer number (5348616).

Almost surely, 2^18338108 is an apocalyptic number.

It is an amenable number.

18338108 is a deficient number, since it is larger than the sum of its proper divisors (13753588).

18338108 is a wasteful number, since it uses less digits than its factorization.

18338108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584531 (or 4584529 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 18338108 is about 4282.3017175346. The cubic root of 18338108 is about 263.7048852554.

The spelling of 18338108 in words is "eighteen million, three hundred thirty-eight thousand, one hundred eight".