865796 has 12 divisors (see below), whose sum is σ = 1522752. Its totient is φ = 430728.

The previous prime is 865783. The next prime is 865801. The reversal of 865796 is 697568.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (126896).

2⁸⁶⁵⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

865796 is a deficient number, since it is larger than the sum of its proper divisors (656956).

865796 is a wasteful number, since it uses less digits than its factorization.

865796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1088 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 865796 is about 930.4815957342. The cubic root of 865796 is about 95.3100121719.

It can be divided in two parts, 865 and 796, that added together give a palindrome (1661).

The spelling of 865796 in words is "eight hundred sixty-five thousand, seven hundred ninety-six".