860864 has 14 divisors (see below), whose sum is σ = 1708404. Its totient is φ = 430400.

The previous prime is 860861. The next prime is 860887. The reversal of 860864 is 468068.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 860864.

It is not an unprimeable number, because it can be changed into a prime (860861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6662 + ... + 6789.

2⁸⁶⁰⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

860864 is a deficient number, since it is larger than the sum of its proper divisors (847540).

860864 is a wasteful number, since it uses less digits than its factorization.

860864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13463 (or 13453 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 860864 is about 927.8275701875. The cubic root of 860864 is about 95.1286898601.

The spelling of 860864 in words is "eight hundred sixty thousand, eight hundred sixty-four".