6839660 has 12 divisors (see below), whose sum is σ = 14363328. Its totient is φ = 2735856.

The previous prime is 6839659. The next prime is 6839663. The reversal of 6839660 is 669386.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6839663) 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, 170972 + ... + 171011.

It is an arithmetic number, because the mean of its divisors is an integer number (1196944).

Almost surely, 2^6839660 is an apocalyptic number.

It is an amenable number.

6839660 is an abundant number, since it is smaller than the sum of its proper divisors (7523668).

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

6839660 is a wasteful number, since it uses less digits than its factorization.

6839660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341992 (or 341990 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6839660 is about 2615.2743641920. The cubic root of 6839660 is about 189.8212538699.

The spelling of 6839660 in words is "six million, eight hundred thirty-nine thousand, six hundred sixty".