860566928 has 120 divisors (see below), whose sum is σ = 1941391368. Its totient is φ = 368050176.

The previous prime is 860566891. The next prime is 860566939. The reversal of 860566928 is 829665068.

It can be written as a sum of positive squares in 12 ways, for example, as 439824784 + 420742144 = 20972^2 + 20512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4458800 + ... + 4458992.

Almost surely, 2^860566928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860566928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970695684).

860566928 is an abundant number, since it is smaller than the sum of its proper divisors (1080824440).

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

860566928 is a wasteful number, since it uses less digits than its factorization.

860566928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 860566928 is about 29335.4210469187. The cubic root of 860566928 is about 951.1774607896.

The spelling of 860566928 in words is "eight hundred sixty million, five hundred sixty-six thousand, nine hundred twenty-eight".