18832272 has 20 divisors (see below), whose sum is σ = 48650160. Its totient is φ = 6277408.

The previous prime is 18832217. The next prime is 18832309. The reversal of 18832272 is 27223881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196122 + ... + 196217.

It is an arithmetic number, because the mean of its divisors is an integer number (2432508).

Almost surely, 2^18832272 is an apocalyptic number.

18832272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18832272 is an abundant number, since it is smaller than the sum of its proper divisors (29817888).

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

18832272 is a wasteful number, since it uses less digits than its factorization.

18832272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392350 (or 392344 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 18832272 is about 4339.6165729244. The cubic root of 18832272 is about 266.0526400052.

The spelling of 18832272 in words is "eighteen million, eight hundred thirty-two thousand, two hundred seventy-two".