316556 has 6 divisors (see below), whose sum is σ = 553980. Its totient is φ = 158276.

The previous prime is 316531. The next prime is 316567. The reversal of 316556 is 655613.

It is a super-2 number, since 2×316556² = 200415402272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39566 + ... + 39573.

It is an arithmetic number, because the mean of its divisors is an integer number (92330).

2³¹⁶⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

316556 is a deficient number, since it is larger than the sum of its proper divisors (237424).

316556 is a wasteful number, since it uses less digits than its factorization.

316556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79143 (or 79141 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 316556 is about 562.6330953650. The cubic root of 316556 is about 68.1527707109.

The spelling of 316556 in words is "three hundred sixteen thousand, five hundred fifty-six".