506317916 has 72 divisors (see below), whose sum is σ = 1018733184. Its totient is φ = 219697920.

The previous prime is 506317913. The next prime is 506317939. The reversal of 506317916 is 619713605.

It is a self number, because there is not a number n which added to its sum of digits gives 506317916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506317913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775046 + ... + 775698.

It is an arithmetic number, because the mean of its divisors is an integer number (14149072).

Almost surely, 2^506317916 is an apocalyptic number.

It is an amenable number.

506317916 is an abundant number, since it is smaller than the sum of its proper divisors (512415268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506317916 is a wasteful number, since it uses less digits than its factorization.

506317916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 506317916 is about 22501.5091938296. The cubic root of 506317916 is about 797.0295655498.

The spelling of 506317916 in words is "five hundred six million, three hundred seventeen thousand, nine hundred sixteen".