806864 has 20 divisors (see below), whose sum is σ = 1577280. Its totient is φ = 399840.

The previous prime is 806857. The next prime is 806893. The reversal of 806864 is 468608.

806864 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 a self number, because there is not a number n which added to its sum of digits gives 806864.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806864.

It is an unprimeable number.

806864 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, 3257 + ... + 3495.

It is an arithmetic number, because the mean of its divisors is an integer number (78864).

2⁸⁰⁶⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

806864 is a deficient number, since it is larger than the sum of its proper divisors (770416).

806864 is a wasteful number, since it uses less digits than its factorization.

806864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 806864 is about 898.2560882065. The cubic root of 806864 is about 93.0965198256.

The spelling of 806864 in words is "eight hundred six thousand, eight hundred sixty-four".