6908939 has 16 divisors (see below), whose sum is σ = 7501824. Its totient is φ = 6350400.

The previous prime is 6908929. The next prime is 6908969. The reversal of 6908939 is 9398096.

It is a cyclic number.

It is not a de Polignac number, because 6908939 - 2²⁰ = 5860363 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 6908939.

It is not an unprimeable number, because it can be changed into a prime (6908929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94607 + ... + 94679.

It is an arithmetic number, because the mean of its divisors is an integer number (468864).

Almost surely, 2^6908939 is an apocalyptic number.

6908939 is a deficient number, since it is larger than the sum of its proper divisors (592885).

6908939 is a wasteful number, since it uses less digits than its factorization.

6908939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 6908939 is about 2628.4860661605. The cubic root of 6908939 is about 190.4600026709.

The spelling of 6908939 in words is "six million, nine hundred eight thousand, nine hundred thirty-nine".