18338676 has 12 divisors (see below), whose sum is σ = 42790272. Its totient is φ = 6112888.

The previous prime is 18338653. The next prime is 18338681. The reversal of 18338676 is 67683381.

It is a tau number, because it is divible by the number of its divisors (12).

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, 764100 + ... + 764123.

It is an arithmetic number, because the mean of its divisors is an integer number (3565856).

Almost surely, 2^18338676 is an apocalyptic number.

It is an amenable number.

18338676 is an abundant number, since it is smaller than the sum of its proper divisors (24451596).

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

18338676 is a wasteful number, since it uses less digits than its factorization.

18338676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528230 (or 1528228 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 18338676 is about 4282.3680364957. The cubic root of 18338676 is about 263.7076078705.

The spelling of 18338676 in words is "eighteen million, three hundred thirty-eight thousand, six hundred seventy-six".