6856944 has 40 divisors (see below), whose sum is σ = 18486912. Its totient is φ = 2185920.

The previous prime is 6856937. The next prime is 6856973. The reversal of 6856944 is 4496586.

It is a junction number, because it is equal to n+sod(n) for n = 6856896 and 6856905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002 + ... + 4209.

Almost surely, 2^6856944 is an apocalyptic number.

It is an amenable number.

6856944 is an abundant number, since it is smaller than the sum of its proper divisors (11629968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6856944 is a wasteful number, since it uses less digits than its factorization.

6856944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245 (or 6239 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 6856944 is about 2618.5767126437. The cubic root of 6856944 is about 189.9810138000.

The spelling of 6856944 in words is "six million, eight hundred fifty-six thousand, nine hundred forty-four".