6878648 has 16 divisors (see below), whose sum is σ = 14740080. Its totient is φ = 2947968.

The previous prime is 6878647. The next prime is 6878657. The reversal of 6878648 is 8468786.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6878647) 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 3 ways as a sum of consecutive naturals, for example, 61361 + ... + 61472.

It is an arithmetic number, because the mean of its divisors is an integer number (921255).

Almost surely, 2^6878648 is an apocalyptic number.

It is an amenable number.

6878648 is an abundant number, since it is smaller than the sum of its proper divisors (7861432).

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

6878648 is a wasteful number, since it uses less digits than its factorization.

6878648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122846 (or 122842 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 6878648 is about 2622.7176744743. The cubic root of 6878648 is about 190.1812490199.

The spelling of 6878648 in words is "six million, eight hundred seventy-eight thousand, six hundred forty-eight".