18882872 has 16 divisors (see below), whose sum is σ = 35662200. Its totient is φ = 9372960.

The previous prime is 18882841. The next prime is 18882883. The reversal of 18882872 is 27828881.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7379 + ... + 9602.

Almost surely, 2^18882872 is an apocalyptic number.

It is an amenable number.

18882872 is a deficient number, since it is larger than the sum of its proper divisors (16779328).

18882872 is a wasteful number, since it uses less digits than its factorization.

18882872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17126 (or 17122 counting only the distinct ones).

The product of its digits is 114688, while the sum is 44.

The square root of 18882872 is about 4345.4426702006. The cubic root of 18882872 is about 266.2907104904.

The spelling of 18882872 in words is "eighteen million, eight hundred eighty-two thousand, eight hundred seventy-two".