316858 has 4 divisors (see below), whose sum is σ = 475290. Its totient is φ = 158428.

The previous prime is 316853. The next prime is 316859. The reversal of 316858 is 858613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 162409 + 154449 = 403^2 + 393^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (316853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79213 + ... + 79216.

2³¹⁶⁸⁵⁸ is an apocalyptic number.

316858 is a deficient number, since it is larger than the sum of its proper divisors (158432).

316858 is a wasteful number, since it uses less digits than its factorization.

316858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158431.

The product of its digits is 5760, while the sum is 31.

The square root of 316858 is about 562.9014123272. The cubic root of 316858 is about 68.1744368036.

It can be divided in two parts, 31 and 6858, that added together give a square (6889 = 83²).

The spelling of 316858 in words is "three hundred sixteen thousand, eight hundred fifty-eight".