6879816 has 48 divisors (see below), whose sum is σ = 19328400. Its totient is φ = 2292624.

The previous prime is 6879811. The next prime is 6879823. The reversal of 6879816 is 6189786.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6879811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (402675).

Almost surely, 2^6879816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6879816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9664200).

6879816 is an abundant number, since it is smaller than the sum of its proper divisors (12448584).

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

6879816 is a wasteful number, since it uses less digits than its factorization.

6879816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560 (or 3544 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 6879816 is about 2622.9403348151. The cubic root of 6879816 is about 190.1920127207.

The spelling of 6879816 in words is "six million, eight hundred seventy-nine thousand, eight hundred sixteen".