316328639 has 16 divisors (see below), whose sum is σ = 367869600. Its totient is φ = 268815360.

The previous prime is 316328611. The next prime is 316328657. The reversal of 316328639 is 936823613.

It is a de Polignac number, because none of the positive numbers 2^k-316328639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316328596 and 316328605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316328669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22187 + ... + 33539.

It is an arithmetic number, because the mean of its divisors is an integer number (22991850).

Almost surely, 2^316328639 is an apocalyptic number.

316328639 is a deficient number, since it is larger than the sum of its proper divisors (51540961).

316328639 is a wasteful number, since it uses less digits than its factorization.

316328639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530.

The product of its digits is 139968, while the sum is 41.

The square root of 316328639 is about 17785.6301265938. The cubic root of 316328639 is about 681.3645027747.

The spelling of 316328639 in words is "three hundred sixteen million, three hundred twenty-eight thousand, six hundred thirty-nine".