313857 has 12 divisors (see below), whose sum is σ = 464464. Its totient is φ = 204120.

The previous prime is 313853. The next prime is 313879. The reversal of 313857 is 758313.

It is not a de Polignac number, because 313857 - 2² = 313853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313857.

It is not an unprimeable number, because it can be changed into a prime (313853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19 + ... + 792.

2³¹³⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

313857 is a deficient number, since it is larger than the sum of its proper divisors (150607).

313857 is a wasteful number, since it uses less digits than its factorization.

313857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 857 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 313857 is about 560.2294172926. The cubic root of 313857 is about 67.9585243039.

The spelling of 313857 in words is "three hundred thirteen thousand, eight hundred fifty-seven".