249268928 has 28 divisors (see below), whose sum is σ = 495144552. Its totient is φ = 124508160.

The previous prime is 249268913. The next prime is 249268931. The reversal of 249268928 is 829862942.

249268928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 122576 + ... + 124592.

It is an arithmetic number, because the mean of its divisors is an integer number (17683734).

Almost surely, 2^249268928 is an apocalyptic number.

It is an amenable number.

249268928 is a deficient number, since it is larger than the sum of its proper divisors (245875624).

249268928 is a wasteful number, since it uses less digits than its factorization.

249268928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3950 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 249268928 is about 15788.2528482413. The cubic root of 249268928 is about 629.3458634072.

The spelling of 249268928 in words is "two hundred forty-nine million, two hundred sixty-eight thousand, nine hundred twenty-eight".