5657931 has 20 divisors (see below), whose sum is σ = 8822352. Its totient is φ = 3606768.

The previous prime is 5657921. The next prime is 5657941. The reversal of 5657931 is 1397565.

It is a happy number.

5657931 is a `hidden beast` number, since 56 + 579 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (5657921) and next prime (5657941).

It is not a de Polignac number, because 5657931 - 2⁶ = 5657867 is a prime.

It is a super-2 number, since 2×5657931² = 64024366401522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 345 + ... + 3381.

Almost surely, 2^5657931 is an apocalyptic number.

5657931 is a deficient number, since it is larger than the sum of its proper divisors (3164421).

5657931 is a wasteful number, since it uses less digits than its factorization.

5657931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072 (or 3063 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 5657931 is about 2378.6405781454. The cubic root of 5657931 is about 178.1910480828.

The spelling of 5657931 in words is "five million, six hundred fifty-seven thousand, nine hundred thirty-one".