865196 has 12 divisors (see below), whose sum is σ = 1535352. Its totient is φ = 426528.

The previous prime is 865177. The next prime is 865201. The reversal of 865196 is 691568.

It is an unprimeable number.

865196 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (127946).

2⁸⁶⁵¹⁹⁶ is an apocalyptic number.

It is an amenable number.

865196 is a deficient number, since it is larger than the sum of its proper divisors (670156).

865196 is a wasteful number, since it uses less digits than its factorization.

865196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3038 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 865196 is about 930.1591261714. The cubic root of 865196 is about 95.2879903475.

The spelling of 865196 in words is "eight hundred sixty-five thousand, one hundred ninety-six".