257957196 has 48 divisors (see below), whose sum is σ = 688687104. Its totient is φ = 73616256.

The previous prime is 257957179. The next prime is 257957207. The reversal of 257957196 is 691759752.

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 in 15 ways as a sum of consecutive naturals, for example, 119301 + ... + 121443.

It is an arithmetic number, because the mean of its divisors is an integer number (14347648).

Almost surely, 2^257957196 is an apocalyptic number.

It is an amenable number.

257957196 is an abundant number, since it is smaller than the sum of its proper divisors (430729908).

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

257957196 is a wasteful number, since it uses less digits than its factorization.

257957196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3588 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 51.

The square root of 257957196 is about 16061.0459186194. The cubic root of 257957196 is about 636.5744680990.

The spelling of 257957196 in words is "two hundred fifty-seven million, nine hundred fifty-seven thousand, one hundred ninety-six".