18238014 has 16 divisors (see below), whose sum is σ = 40529040. Its totient is φ = 6079320.

The previous prime is 18238009. The next prime is 18238039. The reversal of 18238014 is 41083281.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168817 + ... + 168924.

It is an arithmetic number, because the mean of its divisors is an integer number (2533065).

Almost surely, 2^18238014 is an apocalyptic number.

18238014 is an abundant number, since it is smaller than the sum of its proper divisors (22291026).

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

18238014 is a wasteful number, since it uses less digits than its factorization.

18238014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337752 (or 337746 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 18238014 is about 4270.5987870555. The cubic root of 18238014 is about 263.2242204932.

The spelling of 18238014 in words is "eighteen million, two hundred thirty-eight thousand, fourteen".