868236 has 12 divisors (see below), whose sum is σ = 2025912. Its totient is φ = 289408.

The previous prime is 868229. The next prime is 868249. The reversal of 868236 is 632868.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 868197 and 868206.

It is an unprimeable number.

868236 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 3 ways as a sum of consecutive naturals, for example, 36165 + ... + 36188.

It is an arithmetic number, because the mean of its divisors is an integer number (168826).

2⁸⁶⁸²³⁶ is an apocalyptic number.

It is an amenable number.

868236 is an abundant number, since it is smaller than the sum of its proper divisors (1157676).

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

868236 is a wasteful number, since it uses less digits than its factorization.

868236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72360 (or 72358 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 868236 is about 931.7918222436. The cubic root of 868236 is about 95.3994629226.

The spelling of 868236 in words is "eight hundred sixty-eight thousand, two hundred thirty-six".