18898674 has 16 divisors (see below), whose sum is σ = 37856160. Its totient is φ = 6289760.

The previous prime is 18898669. The next prime is 18898681. The reversal of 18898674 is 47689881.

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, 2497 + ... + 6635.

It is an arithmetic number, because the mean of its divisors is an integer number (2366010).

Almost surely, 2^18898674 is an apocalyptic number.

18898674 is an abundant number, since it is smaller than the sum of its proper divisors (18957486).

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

18898674 is a wasteful number, since it uses less digits than its factorization.

18898674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905.

The product of its digits is 774144, while the sum is 51.

The square root of 18898674 is about 4347.2605166932. The cubic root of 18898674 is about 266.3649709554.

The spelling of 18898674 in words is "eighteen million, eight hundred ninety-eight thousand, six hundred seventy-four".