6839975 has 12 divisors (see below), whose sum is σ = 8564184. Its totient is φ = 5418720.

The previous prime is 6839971. The next prime is 6839983. The reversal of 6839975 is 5799386.

It is not a de Polignac number, because 6839975 - 2² = 6839971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839971) 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, 1397 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (713682).

Almost surely, 2^6839975 is an apocalyptic number.

6839975 is a deficient number, since it is larger than the sum of its proper divisors (1724209).

6839975 is a wasteful number, since it uses less digits than its factorization.

6839975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2669 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 6839975 is about 2615.3345866256. The cubic root of 6839975 is about 189.8241678928.

The spelling of 6839975 in words is "six million, eight hundred thirty-nine thousand, nine hundred seventy-five".