6116405 has 4 divisors (see below), whose sum is σ = 7339692. Its totient is φ = 4893120.

The previous prime is 6116401. The next prime is 6116443. The reversal of 6116405 is 5046116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2140369 + 3976036 = 1463^2 + 1994^2 .

It is not a de Polignac number, because 6116405 - 2² = 6116401 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 611636 + ... + 611645.

It is an arithmetic number, because the mean of its divisors is an integer number (1834923).

Almost surely, 2^6116405 is an apocalyptic number.

It is an amenable number.

6116405 is a deficient number, since it is larger than the sum of its proper divisors (1223287).

6116405 is a wasteful number, since it uses less digits than its factorization.

6116405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223286.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 6116405 is about 2473.1366723252. The cubic root of 6116405 is about 182.8796624923.

The spelling of 6116405 in words is "six million, one hundred sixteen thousand, four hundred five".