18959672 has 16 divisors (see below), whose sum is σ = 35599200. Its totient is φ = 9466560.

The previous prime is 18959669. The next prime is 18959687. The reversal of 18959672 is 27695981.

It is a congruent number.

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, 7172 + ... + 9452.

It is an arithmetic number, because the mean of its divisors is an integer number (2224950).

Almost surely, 2^18959672 is an apocalyptic number.

It is an amenable number.

18959672 is a deficient number, since it is larger than the sum of its proper divisors (16639528).

18959672 is a wasteful number, since it uses less digits than its factorization.

18959672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3322 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 18959672 is about 4354.2705474052. The cubic root of 18959672 is about 266.6512393853.

The spelling of 18959672 in words is "eighteen million, nine hundred fifty-nine thousand, six hundred seventy-two".