253928 has 8 divisors (see below), whose sum is σ = 476130. Its totient is φ = 126960.

The previous prime is 253919. The next prime is 253937. The reversal of 253928 is 829352.

It is an interprime number because it is at equal distance from previous prime (253919) and next prime (253937).

It can be written as a sum of positive squares in only one way, i.e., 195364 + 58564 = 442^2 + 242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 253928.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15863 + ... + 15878.

2²⁵³⁹²⁸ is an apocalyptic number.

It is an amenable number.

253928 is a deficient number, since it is larger than the sum of its proper divisors (222202).

253928 is a wasteful number, since it uses less digits than its factorization.

253928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31747 (or 31743 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 253928 is about 503.9126908503. The cubic root of 253928 is about 63.3242707870.

The spelling of 253928 in words is "two hundred fifty-three thousand, nine hundred twenty-eight".