18883372 has 6 divisors (see below), whose sum is σ = 33045908. Its totient is φ = 9441684.

The previous prime is 18883351. The next prime is 18883399. The reversal of 18883372 is 27338881.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360418 + ... + 2360425.

Almost surely, 2^18883372 is an apocalyptic number.

It is an amenable number.

18883372 is a deficient number, since it is larger than the sum of its proper divisors (14162536).

18883372 is a wasteful number, since it uses less digits than its factorization.

18883372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720847 (or 4720845 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 18883372 is about 4345.5002013577. The cubic root of 18883372 is about 266.2930608423.

The spelling of 18883372 in words is "eighteen million, eight hundred eighty-three thousand, three hundred seventy-two".