6116809 has 4 divisors (see below), whose sum is σ = 6122116. Its totient is φ = 6111504.

The previous prime is 6116807. The next prime is 6116813. The reversal of 6116809 is 9086116.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 697225 + 5419584 = 835^2 + 2328^2 .

It is a cyclic number.

It is not a de Polignac number, because 6116809 - 2¹ = 6116807 is a prime.

It is a Duffinian number.

6116809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6116801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114 + ... + 3499.

It is an arithmetic number, because the mean of its divisors is an integer number (1530529).

Almost surely, 2^6116809 is an apocalyptic number.

It is an amenable number.

6116809 is a deficient number, since it is larger than the sum of its proper divisors (5307).

6116809 is a wasteful number, since it uses less digits than its factorization.

6116809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 6116809 is about 2473.2183486300. The cubic root of 6116809 is about 182.8836889183.

The spelling of 6116809 in words is "six million, one hundred sixteen thousand, eight hundred nine".