865676 has 24 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 361872.

The previous prime is 865661. The next prime is 865681. The reversal of 865676 is 676568.

865676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

865676 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 7 ways as a sum of consecutive naturals, for example, 845 + ... + 1563.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁸⁶⁵⁶⁷⁶ is an apocalyptic number.

865676 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 865676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887040).

865676 is an abundant number, since it is smaller than the sum of its proper divisors (908404).

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

865676 is a wasteful number, since it uses less digits than its factorization.

865676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 771 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 865676 is about 930.4171107627. The cubic root of 865676 is about 95.3056086212.

The spelling of 865676 in words is "eight hundred sixty-five thousand, six hundred seventy-six".