18214932 has 24 divisors (see below), whose sum is σ = 42917056. Its totient is φ = 6012288.

The previous prime is 18214921. The next prime is 18214943. The reversal of 18214932 is 23941281.

It is an interprime number because it is at equal distance from previous prime (18214921) and next prime (18214943).

It is a super-3 number, since 3×18214932³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18214932.

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, 6133 + ... + 8604.

Almost surely, 2^18214932 is an apocalyptic number.

18214932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18214932 is an abundant number, since it is smaller than the sum of its proper divisors (24702124).

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

18214932 is a wasteful number, since it uses less digits than its factorization.

18214932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14847 (or 14845 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 18214932 is about 4267.8955001265. The cubic root of 18214932 is about 263.1131282363.

The spelling of 18214932 in words is "eighteen million, two hundred fourteen thousand, nine hundred thirty-two".