868650 has 24 divisors (see below), whose sum is σ = 2154624. Its totient is φ = 231600.

The previous prime is 868639. The next prime is 868663. The reversal of 868650 is 56868.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2746 + ... + 3045.

It is an arithmetic number, because the mean of its divisors is an integer number (89776).

2⁸⁶⁸⁶⁵⁰ is an apocalyptic number.

868650 is an abundant number, since it is smaller than the sum of its proper divisors (1285974).

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

868650 is a wasteful number, since it uses less digits than its factorization.

868650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806 (or 5801 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 868650 is about 932.0139483935. The cubic root of 868650 is about 95.4146235862.

The spelling of 868650 in words is "eight hundred sixty-eight thousand, six hundred fifty".