6116409 has 24 divisors (see below), whose sum is σ = 9681672. Its totient is φ = 3697920.

The previous prime is 6116401. The next prime is 6116443. The reversal of 6116409 is 9046116.

6116409 is a `hidden beast` number, since 6 + 11 + 640 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 5978025 = 372^2 + 2445^2 .

It is not a de Polignac number, because 6116409 - 2³ = 6116401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6116401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6709 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (403403).

Almost surely, 2^6116409 is an apocalyptic number.

It is an amenable number.

6116409 is a deficient number, since it is larger than the sum of its proper divisors (3565263).

6116409 is a wasteful number, since it uses less digits than its factorization.

6116409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6116409 is about 2473.1374810148. The cubic root of 6116409 is about 182.8797023587.

The spelling of 6116409 in words is "six million, one hundred sixteen thousand, four hundred nine".