253957904 has 20 divisors (see below), whose sum is σ = 513437376. Its totient is φ = 121457952.

The previous prime is 253957831. The next prime is 253957909. The reversal of 253957904 is 409759352.

It is not an unprimeable number, because it can be changed into a prime (253957909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344684 + ... + 345419.

Almost surely, 2^253957904 is an apocalyptic number.

It is an amenable number.

253957904 is an abundant number, since it is smaller than the sum of its proper divisors (259479472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253957904 is a wasteful number, since it uses less digits than its factorization.

253957904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690134 (or 690128 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 253957904 is about 15936.0567268067. The cubic root of 253957904 is about 633.2675649772.

The spelling of 253957904 in words is "two hundred fifty-three million, nine hundred fifty-seven thousand, nine hundred four".