806859 has 12 divisors (see below), whose sum is σ = 1197456. Its totient is φ = 523152.

The previous prime is 806857. The next prime is 806893. The reversal of 806859 is 958608.

It is not a de Polignac number, because 806859 - 2¹ = 806857 is a prime.

It is a super-3 number, since 3×806859³ = 1575847538406293337, which contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 879 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (99788).

2⁸⁰⁶⁸⁵⁹ is an apocalyptic number.

806859 is a deficient number, since it is larger than the sum of its proper divisors (390597).

806859 is a wasteful number, since it uses less digits than its factorization.

806859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 806859 is about 898.2533050315. The cubic root of 806859 is about 93.0963275241.

The spelling of 806859 in words is "eight hundred six thousand, eight hundred fifty-nine".