6808809 has 16 divisors (see below), whose sum is σ = 10711040. Its totient is φ = 3764880.

The previous prime is 6808801. The next prime is 6808811. The reversal of 6808809 is 9088086.

6808809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6808809 - 2³ = 6808801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6808801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4579 + ... + 5880.

It is an arithmetic number, because the mean of its divisors is an integer number (669440).

Almost surely, 2^6808809 is an apocalyptic number.

It is an amenable number.

6808809 is a deficient number, since it is larger than the sum of its proper divisors (3902231).

6808809 is a wasteful number, since it uses less digits than its factorization.

6808809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 6808809 is about 2609.3694640660. The cubic root of 6808809 is about 189.5354208218.

The spelling of 6808809 in words is "six million, eight hundred eight thousand, eight hundred nine".