6629879 has 8 divisors (see below), whose sum is σ = 7022640. Its totient is φ = 6241536.

The previous prime is 6629873. The next prime is 6629891. The reversal of 6629879 is 9789266.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6629879 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6629873) 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, 2279 + ... + 4295.

It is an arithmetic number, because the mean of its divisors is an integer number (877830).

Almost surely, 2^6629879 is an apocalyptic number.

6629879 is a deficient number, since it is larger than the sum of its proper divisors (392761).

6629879 is a wasteful number, since it uses less digits than its factorization.

6629879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209.

The product of its digits is 326592, while the sum is 47.

The square root of 6629879 is about 2574.8551415565. The cubic root of 6629879 is about 187.8603818521.

The spelling of 6629879 in words is "six million, six hundred twenty-nine thousand, eight hundred seventy-nine".