18338052 has 12 divisors (see below), whose sum is σ = 42788816. Its totient is φ = 6112680.

The previous prime is 18338011. The next prime is 18338083. The reversal of 18338052 is 25083381.

It is a happy number.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 764074 + ... + 764097.

Almost surely, 2^18338052 is an apocalyptic number.

18338052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18338052 is an abundant number, since it is smaller than the sum of its proper divisors (24450764).

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

18338052 is a wasteful number, since it uses less digits than its factorization.

18338052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528178 (or 1528176 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 18338052 is about 4282.2951789899. The cubic root of 18338052 is about 263.7046168255.

The spelling of 18338052 in words is "eighteen million, three hundred thirty-eight thousand, fifty-two".