6839872 has 28 divisors (see below), whose sum is σ = 14618716. Its totient is φ = 3156480.

The previous prime is 6839851. The next prime is 6839873. The reversal of 6839872 is 2789386.

It can be written as a sum of positive squares in 2 ways, for example, as 3936256 + 2903616 = 1984^2 + 1704^2 .

It is not an unprimeable number, because it can be changed into a prime (6839873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3279 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (522097).

Almost surely, 2^6839872 is an apocalyptic number.

It is an amenable number.

6839872 is an abundant number, since it is smaller than the sum of its proper divisors (7778844).

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

6839872 is a wasteful number, since it uses less digits than its factorization.

6839872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246 (or 8236 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 6839872 is about 2615.3148949983. The cubic root of 6839872 is about 189.8232150634.

The spelling of 6839872 in words is "six million, eight hundred thirty-nine thousand, eight hundred seventy-two".