18885374 has 8 divisors (see below), whose sum is σ = 28532280. Its totient is φ = 9374616.

The previous prime is 18885367. The next prime is 18885403. The reversal of 18885374 is 47358881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18885374² = 713314702239752, which contains 22 as substring.

It is a congruent number.

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, 33689 + ... + 34244.

It is an arithmetic number, because the mean of its divisors is an integer number (3566535).

Almost surely, 2^18885374 is an apocalyptic number.

18885374 is a deficient number, since it is larger than the sum of its proper divisors (9646906).

18885374 is a wasteful number, since it uses less digits than its factorization.

18885374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68074.

The product of its digits is 215040, while the sum is 44.

The square root of 18885374 is about 4345.7305484809. The cubic root of 18885374 is about 266.3024712355.

The spelling of 18885374 in words is "eighteen million, eight hundred eighty-five thousand, three hundred seventy-four".