316484639 has 2 divisors, whose sum is σ = 316484640. Its totient is φ = 316484638.

The previous prime is 316484591. The next prime is 316484671. The reversal of 316484639 is 936484613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316484639 - 2⁸ = 316484383 is a prime.

It is a super-3 number, since 3×316484639³ (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 316484639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316483639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158242319 + 158242320.

It is an arithmetic number, because the mean of its divisors is an integer number (158242320).

Almost surely, 2^316484639 is an apocalyptic number.

316484639 is a deficient number, since it is larger than the sum of its proper divisors (1).

316484639 is an equidigital number, since it uses as much as digits as its factorization.

316484639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The square root of 316484639 is about 17790.0151489536. The cubic root of 316484639 is about 681.4764911533.

The spelling of 316484639 in words is "three hundred sixteen million, four hundred eighty-four thousand, six hundred thirty-nine".