806939 has 8 divisors (see below), whose sum is σ = 976608. Its totient is φ = 650880.

The previous prime is 806929. The next prime is 806941. The reversal of 806939 is 939608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806899 and 806908.

It is not an unprimeable number, because it can be changed into a prime (806929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (122076).

2⁸⁰⁶⁹³⁹ is an apocalyptic number.

806939 is a deficient number, since it is larger than the sum of its proper divisors (169669).

806939 is a wasteful number, since it uses less digits than its factorization.

806939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 806939 is about 898.2978347965. The cubic root of 806939 is about 93.0994042533.

The spelling of 806939 in words is "eight hundred six thousand, nine hundred thirty-nine".