860881652 has 12 divisors (see below), whose sum is σ = 1511983620. Its totient is φ = 428886336.

The previous prime is 860881613. The next prime is 860881667. The reversal of 860881652 is 256188068.

It can be written as a sum of positive squares in 2 ways, for example, as 223622116 + 637259536 = 14954^2 + 25244^2 .

It is a super-2 number, since 2×860881652² = 1482234437500498208, which contains 22 as substring.

It is a congruent number.

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, 387377 + ... + 389592.

It is an arithmetic number, because the mean of its divisors is an integer number (125998635).

Almost surely, 2^860881652 is an apocalyptic number.

It is an amenable number.

860881652 is a deficient number, since it is larger than the sum of its proper divisors (651101968).

860881652 is a wasteful number, since it uses less digits than its factorization.

860881652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777250 (or 777248 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 860881652 is about 29340.7847884136. The cubic root of 860881652 is about 951.2934005960.

The spelling of 860881652 in words is "eight hundred sixty million, eight hundred eighty-one thousand, six hundred fifty-two".