316516839 has 8 divisors (see below), whose sum is σ = 444234240. Its totient is φ = 199905336.

The previous prime is 316516819. The next prime is 316516859. The reversal of 316516839 is 938615613.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (316516819) and next prime (316516859).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316516839 - 2¹¹ = 316514791 is a prime.

It is a super-3 number, since 3×316516839³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316516839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316516819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776407 + ... + 2776520.

It is an arithmetic number, because the mean of its divisors is an integer number (55529280).

Almost surely, 2^316516839 is an apocalyptic number.

316516839 is a deficient number, since it is larger than the sum of its proper divisors (127717401).

316516839 is a wasteful number, since it uses less digits than its factorization.

316516839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552949.

The product of its digits is 116640, while the sum is 42.

The square root of 316516839 is about 17790.9201279754. The cubic root of 316516839 is about 681.4996021211.

The spelling of 316516839 in words is "three hundred sixteen million, five hundred sixteen thousand, eight hundred thirty-nine".