257036396 has 24 divisors (see below), whose sum is σ = 492700320. Its totient is φ = 116786432.

The previous prime is 257036359. The next prime is 257036441. The reversal of 257036396 is 693630752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63200 + ... + 67143.

It is an arithmetic number, because the mean of its divisors is an integer number (20529180).

Almost surely, 2^257036396 is an apocalyptic number.

It is an amenable number.

257036396 is a deficient number, since it is larger than the sum of its proper divisors (235663924).

257036396 is a wasteful number, since it uses less digits than its factorization.

257036396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130393 (or 130391 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 257036396 is about 16032.3546617457. The cubic root of 257036396 is about 635.8161296197.

The spelling of 257036396 in words is "two hundred fifty-seven million, thirty-six thousand, three hundred ninety-six".