18874308 has 24 divisors (see below), whose sum is σ = 44231040. Its totient is φ = 6264160.

The previous prime is 18874253. The next prime is 18874313. The reversal of 18874308 is 80347881.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423 + ... + 6158.

It is an arithmetic number, because the mean of its divisors is an integer number (1842960).

Almost surely, 2^18874308 is an apocalyptic number.

It is an amenable number.

18874308 is an abundant number, since it is smaller than the sum of its proper divisors (25356732).

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

18874308 is a wasteful number, since it uses less digits than its factorization.

18874308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827 (or 6825 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 18874308 is about 4344.4571582650. The cubic root of 18874308 is about 266.2504472209.

The spelling of 18874308 in words is "eighteen million, eight hundred seventy-four thousand, three hundred eight".