257682196 has 12 divisors (see below), whose sum is σ = 451169460. Its totient is φ = 128776640.

The previous prime is 257682167. The next prime is 257682211. The reversal of 257682196 is 691286752.

It can be written as a sum of positive squares in 2 ways, for example, as 197402500 + 60279696 = 14050^2 + 7764^2 .

It is a super-2 number, since 2×257682196² = 132800228270764832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6481 + ... + 23608.

It is an arithmetic number, because the mean of its divisors is an integer number (37597455).

Almost surely, 2^257682196 is an apocalyptic number.

It is an amenable number.

257682196 is a deficient number, since it is larger than the sum of its proper divisors (193487264).

257682196 is a wasteful number, since it uses less digits than its factorization.

257682196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32234 (or 32232 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 257682196 is about 16052.4825494376. The cubic root of 257682196 is about 636.3481770369.

The spelling of 257682196 in words is "two hundred fifty-seven million, six hundred eighty-two thousand, one hundred ninety-six".