6648879 has 16 divisors (see below), whose sum is σ = 9476480. Its totient is φ = 4134240.

The previous prime is 6648839. The next prime is 6648883. The reversal of 6648879 is 9788466.

It is not a de Polignac number, because 6648879 - 2⁸ = 6648623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648809) 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 15 ways as a sum of consecutive naturals, for example, 2949 + ... + 4689.

It is an arithmetic number, because the mean of its divisors is an integer number (592280).

Almost surely, 2^6648879 is an apocalyptic number.

6648879 is a deficient number, since it is larger than the sum of its proper divisors (2827601).

6648879 is a wasteful number, since it uses less digits than its factorization.

6648879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its digits is 580608, while the sum is 48.

The square root of 6648879 is about 2578.5420299076. The cubic root of 6648879 is about 188.0396683307.

The spelling of 6648879 in words is "six million, six hundred forty-eight thousand, eight hundred seventy-nine".