860636 has 18 divisors (see below), whose sum is σ = 1752408. Its totient is φ = 368760.

The previous prime is 860623. The next prime is 860641. The reversal of 860636 is 636068.

860636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 860599 and 860608.

It is a congruent number.

It is an unprimeable number.

860636 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2000 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (97356).

2⁸⁶⁰⁶³⁶ is an apocalyptic number.

It is an amenable number.

860636 is an abundant number, since it is smaller than the sum of its proper divisors (891772).

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

860636 is a wasteful number, since it uses less digits than its factorization.

860636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409 (or 4400 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 860636 is about 927.7046943936. The cubic root of 860636 is about 95.1202908344.

The spelling of 860636 in words is "eight hundred sixty thousand, six hundred thirty-six".