316476639 has 12 divisors (see below), whose sum is σ = 474064136. Its totient is φ = 210984264.

The previous prime is 316476637. The next prime is 316476661. The reversal of 316476639 is 936674613.

316476639 is a `hidden beast` number, since 3 + 1 + 6 + 4 + 7 + 6 + 639 = 666.

It is not a de Polignac number, because 316476639 - 2¹ = 316476637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316476594 and 316476603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316476631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650944 + ... + 651429.

Almost surely, 2^316476639 is an apocalyptic number.

316476639 is a deficient number, since it is larger than the sum of its proper divisors (157587497).

316476639 is an equidigital number, since it uses as much as digits as its factorization.

316476639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302388 (or 1302376 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 316476639 is about 17789.7903023054. The cubic root of 316476639 is about 681.4707490549.

The spelling of 316476639 in words is "three hundred sixteen million, four hundred seventy-six thousand, six hundred thirty-nine".