6439113 has 6 divisors (see below), whose sum is σ = 9300954. Its totient is φ = 4292736.

The previous prime is 6439067. The next prime is 6439123. The reversal of 6439113 is 3119346.

6439113 is a `hidden beast` number, since 643 + 9 + 1 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6110784 + 328329 = 2472^2 + 573^2 .

It is not a de Polignac number, because 6439113 - 2⁶ = 6439049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6439123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357720 + ... + 357737.

It is an arithmetic number, because the mean of its divisors is an integer number (1550159).

Almost surely, 2^6439113 is an apocalyptic number.

It is an amenable number.

6439113 is a deficient number, since it is larger than the sum of its proper divisors (2861841).

6439113 is a wasteful number, since it uses less digits than its factorization.

6439113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715463 (or 715460 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 6439113 is about 2537.5407385892. The cubic root of 6439113 is about 186.0410072610.

The spelling of 6439113 in words is "six million, four hundred thirty-nine thousand, one hundred thirteen".