806879 has 4 divisors (see below), whose sum is σ = 810576. Its totient is φ = 803184.

The previous prime is 806857. The next prime is 806893. The reversal of 806879 is 978608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 806879 - 2¹² = 802783 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806579) 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, 1499 + ... + 1964.

It is an arithmetic number, because the mean of its divisors is an integer number (202644).

2⁸⁰⁶⁸⁷⁹ is an apocalyptic number.

806879 is a deficient number, since it is larger than the sum of its proper divisors (3697).

806879 is a wasteful number, since it uses less digits than its factorization.

806879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 806879 is about 898.2644376797. The cubic root of 806879 is about 93.0970967255.

The spelling of 806879 in words is "eight hundred six thousand, eight hundred seventy-nine".