6878928 has 80 divisors (see below), whose sum is σ = 20712960. Its totient is φ = 1926528.

The previous prime is 6878917. The next prime is 6878951. The reversal of 6878928 is 8298786.

It is a happy number.

6878928 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19651 + ... + 19997.

It is an arithmetic number, because the mean of its divisors is an integer number (258912).

Almost surely, 2^6878928 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 6878928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10356480).

6878928 is an abundant number, since it is smaller than the sum of its proper divisors (13834032).

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

6878928 is a wasteful number, since it uses less digits than its factorization.

6878928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 418 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 6878928 is about 2622.7710536759. The cubic root of 6878928 is about 190.1838294702.

The spelling of 6878928 in words is "six million, eight hundred seventy-eight thousand, nine hundred twenty-eight".