506331328 has 28 divisors (see below), whose sum is σ = 1019756152. Its totient is φ = 249384960.

The previous prime is 506331283. The next prime is 506331341. The reversal of 506331328 is 823133605.

It is a self number, because there is not a number n which added to its sum of digits gives 506331328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54753 + ... + 63328.

Almost surely, 2^506331328 is an apocalyptic number.

It is an amenable number.

506331328 is an abundant number, since it is smaller than the sum of its proper divisors (513424824).

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

506331328 is a wasteful number, since it uses less digits than its factorization.

506331328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118160 (or 118150 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 506331328 is about 22501.8072163104. The cubic root of 506331328 is about 797.0366030690.

The spelling of 506331328 in words is "five hundred six million, three hundred thirty-one thousand, three hundred twenty-eight".