860420608 has 20 divisors (see below), whose sum is σ = 1719161730. Its totient is φ = 430210048.

The previous prime is 860420597. The next prime is 860420623. The reversal of 860420608 is 806024068.

It can be written as a sum of positive squares in only one way, i.e., 725117184 + 135303424 = 26928^2 + 11632^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839743 + ... + 840766.

Almost surely, 2^860420608 is an apocalyptic number.

It is an amenable number.

860420608 is a deficient number, since it is larger than the sum of its proper divisors (858741122).

860420608 is an equidigital number, since it uses as much as digits as its factorization.

860420608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680527 (or 1680511 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 860420608 is about 29332.9270274891. The cubic root of 860420608 is about 951.1235489747.

The spelling of 860420608 in words is "eight hundred sixty million, four hundred twenty thousand, six hundred eight".