6879688 has 16 divisors (see below), whose sum is σ = 12928860. Its totient is φ = 3432000.

The previous prime is 6879683. The next prime is 6879797. The reversal of 6879688 is 8869786.

It can be written as a sum of positive squares in 2 ways, for example, as 6563844 + 315844 = 2562^2 + 562^2 .

It is not an unprimeable number, because it can be changed into a prime (6879683) 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, 4638 + ... + 5938.

Almost surely, 2^6879688 is an apocalyptic number.

It is an amenable number.

6879688 is a deficient number, since it is larger than the sum of its proper divisors (6049172).

6879688 is a wasteful number, since it uses less digits than its factorization.

6879688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1964 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 6879688 is about 2622.9159346041. The cubic root of 6879688 is about 190.1908331965.

The spelling of 6879688 in words is "six million, eight hundred seventy-nine thousand, six hundred eighty-eight".