969481728 has 60 divisors (see below), whose sum is σ = 2798003208. Its totient is φ = 323159040.

The previous prime is 969481703. The next prime is 969481757. The reversal of 969481728 is 827184969.

969481728 is a `hidden beast` number, since 96 + 9 + 481 + 72 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100588 + ... + 109803.

Almost surely, 2^969481728 is an apocalyptic number.

It is an amenable number.

969481728 is an abundant number, since it is smaller than the sum of its proper divisors (1828521480).

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

969481728 is a wasteful number, since it uses less digits than its factorization.

969481728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210415 (or 210396 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 969481728 is about 31136.5015375845. The cubic root of 969481728 is about 989.7219666132.

The spelling of 969481728 in words is "nine hundred sixty-nine million, four hundred eighty-one thousand, seven hundred twenty-eight".