6879669 has 8 divisors (see below), whose sum is σ = 9420960. Its totient is φ = 4462416.

The previous prime is 6879661. The next prime is 6879671. The reversal of 6879669 is 9669786.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6879669 - 2³ = 6879661 is a prime.

It is a super-2 number, since 2×6879669² = 94659691099122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6879661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30879 + ... + 31100.

It is an arithmetic number, because the mean of its divisors is an integer number (1177620).

Almost surely, 2^6879669 is an apocalyptic number.

It is an amenable number.

6879669 is a deficient number, since it is larger than the sum of its proper divisors (2541291).

6879669 is a wasteful number, since it uses less digits than its factorization.

6879669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62019.

The product of its digits is 979776, while the sum is 51.

The square root of 6879669 is about 2622.9123126784. The cubic root of 6879669 is about 190.1906581097.

The spelling of 6879669 in words is "six million, eight hundred seventy-nine thousand, six hundred sixty-nine".