253992344 has 8 divisors (see below), whose sum is σ = 476235660. Its totient is φ = 126996168.

The previous prime is 253992341. The next prime is 253992379. The reversal of 253992344 is 443299352.

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

It is a super-2 number, since 2×253992344² = 129024221621228672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253992341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15874514 + ... + 15874529.

Almost surely, 2^253992344 is an apocalyptic number.

It is an amenable number.

253992344 is a deficient number, since it is larger than the sum of its proper divisors (222243316).

253992344 is a wasteful number, since it uses less digits than its factorization.

253992344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31749049 (or 31749045 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 253992344 is about 15937.1372586171. The cubic root of 253992344 is about 633.2961901270.

The spelling of 253992344 in words is "two hundred fifty-three million, nine hundred ninety-two thousand, three hundred forty-four".