249868672 has 16 divisors (see below), whose sum is σ = 497785500. Its totient is φ = 124934272.

The previous prime is 249868643. The next prime is 249868687. The reversal of 249868672 is 276868942.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975922 + ... + 976177.

Almost surely, 2^249868672 is an apocalyptic number.

It is an amenable number.

249868672 is a deficient number, since it is larger than the sum of its proper divisors (247916828).

249868672 is an equidigital number, since it uses as much as digits as its factorization.

249868672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952113 (or 1952101 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 249868672 is about 15807.2347992936. The cubic root of 249868672 is about 629.8501970186.

The spelling of 249868672 in words is "two hundred forty-nine million, eight hundred sixty-eight thousand, six hundred seventy-two".