6879660 has 24 divisors (see below), whose sum is σ = 19263216. Its totient is φ = 1834560.

The previous prime is 6879643. The next prime is 6879661. The reversal of 6879660 is 669786.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6879661) 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 7 ways as a sum of consecutive naturals, for example, 57271 + ... + 57390.

It is an arithmetic number, because the mean of its divisors is an integer number (802634).

Almost surely, 2^6879660 is an apocalyptic number.

6879660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6879660 is an abundant number, since it is smaller than the sum of its proper divisors (12383556).

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

6879660 is a wasteful number, since it uses less digits than its factorization.

6879660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114673 (or 114671 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 6879660 is about 2622.9105970277. The cubic root of 6879660 is about 190.1905751737.

The spelling of 6879660 in words is "six million, eight hundred seventy-nine thousand, six hundred sixty".