18875492 has 12 divisors (see below), whose sum is σ = 33497856. Its totient is φ = 9304680.

The previous prime is 18875477. The next prime is 18875543. The reversal of 18875492 is 29457881.

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, 32948 + ... + 33515.

It is an arithmetic number, because the mean of its divisors is an integer number (2791488).

Almost surely, 2^18875492 is an apocalyptic number.

It is an amenable number.

18875492 is a deficient number, since it is larger than the sum of its proper divisors (14622364).

18875492 is a wasteful number, since it uses less digits than its factorization.

18875492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66538 (or 66536 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 18875492 is about 4344.5934217139. The cubic root of 18875492 is about 266.2560144703.

The spelling of 18875492 in words is "eighteen million, eight hundred seventy-five thousand, four hundred ninety-two".