860395866 has 16 divisors (see below), whose sum is σ = 1877227488. Its totient is φ = 260726000.

The previous prime is 860395859. The next prime is 860395889. The reversal of 860395866 is 668593068.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6518085 + ... + 6518216.

It is an arithmetic number, because the mean of its divisors is an integer number (117326718).

Almost surely, 2^860395866 is an apocalyptic number.

860395866 is an abundant number, since it is smaller than the sum of its proper divisors (1016831622).

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

860395866 is a wasteful number, since it uses less digits than its factorization.

860395866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13036317.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 860395866 is about 29332.5052799791. The cubic root of 860395866 is about 951.1144321451.

The spelling of 860395866 in words is "eight hundred sixty million, three hundred ninety-five thousand, eight hundred sixty-six".