253888928 has 12 divisors (see below), whose sum is σ = 499843890. Its totient is φ = 126944448.

The previous prime is 253888919. The next prime is 253888961. The reversal of 253888928 is 829888352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 253064464 + 824464 = 15908^2 + 908^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 253888928.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3966983 + ... + 3967046.

Almost surely, 2^253888928 is an apocalyptic number.

It is an amenable number.

253888928 is a deficient number, since it is larger than the sum of its proper divisors (245954962).

253888928 is an equidigital number, since it uses as much as digits as its factorization.

253888928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934039 (or 7934031 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 253888928 is about 15933.8924309159. The cubic root of 253888928 is about 633.2102271035.

The spelling of 253888928 in words is "two hundred fifty-three million, eight hundred eighty-eight thousand, nine hundred twenty-eight".