806856 has 16 divisors (see below), whose sum is σ = 2017200. Its totient is φ = 268944.

The previous prime is 806821. The next prime is 806857. The reversal of 806856 is 658608.

806856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (806857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16786 + ... + 16833.

It is an arithmetic number, because the mean of its divisors is an integer number (126075).

2⁸⁰⁶⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

806856 is an abundant number, since it is smaller than the sum of its proper divisors (1210344).

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

806856 is a wasteful number, since it uses less digits than its factorization.

806856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33628 (or 33624 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 806856 is about 898.2516351224. The cubic root of 806856 is about 93.0962121428.

The spelling of 806856 in words is "eight hundred six thousand, eight hundred fifty-six".