8056809 has 12 divisors (see below), whose sum is σ = 12039300. Its totient is φ = 5185824.

The previous prime is 8056801. The next prime is 8056823. The reversal of 8056809 is 9086508.

8056809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 6110784 = 1395^2 + 2472^2 .

It is not a de Polignac number, because 8056809 - 2³ = 8056801 is a prime.

8056809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8056801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15174 + ... + 15695.

It is an arithmetic number, because the mean of its divisors is an integer number (1003275).

Almost surely, 2^8056809 is an apocalyptic number.

It is an amenable number.

8056809 is a deficient number, since it is larger than the sum of its proper divisors (3982491).

8056809 is a wasteful number, since it uses less digits than its factorization.

8056809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30904 (or 30901 counting only the distinct ones).

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

The square root of 8056809 is about 2838.4518667753. The cubic root of 8056809 is about 200.4722921560.

The spelling of 8056809 in words is "eight million, fifty-six thousand, eight hundred nine".