860868 has 30 divisors (see below), whose sum is σ = 2251326. Its totient is φ = 286848.

The previous prime is 860861. The next prime is 860887. The reversal of 860868 is 868068.

It can be written as a sum of positive squares in only one way, i.e., 777924 + 82944 = 882^2 + 288^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

860868 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 9 ways as a sum of consecutive naturals, for example, 1005 + ... + 1652.

2⁸⁶⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

860868 is an abundant number, since it is smaller than the sum of its proper divisors (1390458).

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

860868 is a wasteful number, since it uses less digits than its factorization.

860868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 860868 is about 927.8297257579. The cubic root of 860868 is about 95.1288371981.

It can be divided in two parts, 860 and 868, that added together give a cube (1728 = 12³).

The spelling of 860868 in words is "eight hundred sixty thousand, eight hundred sixty-eight".