6113439 has 12 divisors (see below), whose sum is σ = 9036456. Its totient is φ = 3980592.

The previous prime is 6113407. The next prime is 6113453. The reversal of 6113439 is 9343116.

6113439 is a `hidden beast` number, since 611 + 3 + 43 + 9 = 666.

It is not a de Polignac number, because 6113439 - 2⁵ = 6113407 is a prime.

It is an Ulam number.

6113439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6113039) 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 11 ways as a sum of consecutive naturals, for example, 7512 + ... + 8285.

It is an arithmetic number, because the mean of its divisors is an integer number (753038).

Almost surely, 2^6113439 is an apocalyptic number.

6113439 is a deficient number, since it is larger than the sum of its proper divisors (2923017).

6113439 is a wasteful number, since it uses less digits than its factorization.

6113439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846 (or 15843 counting only the distinct ones).

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

The square root of 6113439 is about 2472.5369562455. The cubic root of 6113439 is about 182.8500967163.

The spelling of 6113439 in words is "six million, one hundred thirteen thousand, four hundred thirty-nine".