18874488 has 32 divisors (see below), whose sum is σ = 49962960. Its totient is φ = 5921280.

The previous prime is 18874483. The next prime is 18874501. The reversal of 18874488 is 88447881.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18874481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22723 + ... + 23538.

Almost surely, 2^18874488 is an apocalyptic number.

It is an amenable number.

18874488 is an abundant number, since it is smaller than the sum of its proper divisors (31088472).

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

18874488 is a wasteful number, since it uses less digits than its factorization.

18874488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46287 (or 46283 counting only the distinct ones).

The product of its digits is 458752, while the sum is 48.

The square root of 18874488 is about 4344.4778742675. The cubic root of 18874488 is about 266.2512936083.

The spelling of 18874488 in words is "eighteen million, eight hundred seventy-four thousand, four hundred eighty-eight".