18874314 has 12 divisors (see below), whose sum is σ = 40894386. Its totient is φ = 6291432.

The previous prime is 18874313. The next prime is 18874321. The reversal of 18874314 is 41347881.

It can be written as a sum of positive squares in only one way, i.e., 16524225 + 2350089 = 4065^2 + 1533^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18874313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 524269 + ... + 524304.

Almost surely, 2^18874314 is an apocalyptic number.

18874314 is an abundant number, since it is smaller than the sum of its proper divisors (22020072).

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

18874314 is a wasteful number, since it uses less digits than its factorization.

18874314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048581 (or 1048578 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 18874314 is about 4344.4578488000. The cubic root of 18874314 is about 266.2504754339.

The spelling of 18874314 in words is "eighteen million, eight hundred seventy-four thousand, three hundred fourteen".