6395939 has 6 divisors (see below), whose sum is σ = 7030380. Its totient is φ = 5814380.

The previous prime is 6395929. The next prime is 6395941. The reversal of 6395939 is 9395936.

6395939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-6395939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6395939.

It is not an unprimeable number, because it can be changed into a prime (6395929) 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, 26309 + ... + 26550.

It is an arithmetic number, because the mean of its divisors is an integer number (1171730).

Almost surely, 2^6395939 is an apocalyptic number.

6395939 is a deficient number, since it is larger than the sum of its proper divisors (634441).

6395939 is a wasteful number, since it uses less digits than its factorization.

6395939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52881 (or 52870 counting only the distinct ones).

The product of its digits is 196830, while the sum is 44.

The square root of 6395939 is about 2529.0193751729. The cubic root of 6395939 is about 185.6242752601.

The spelling of 6395939 in words is "six million, three hundred ninety-five thousand, nine hundred thirty-nine".