6680904 has 48 divisors (see below), whose sum is σ = 17350320. Its totient is φ = 2143680.

The previous prime is 6680873. The next prime is 6680923. The reversal of 6680904 is 4090866.

It is an unprimeable number.

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, 20019 + ... + 20349.

It is an arithmetic number, because the mean of its divisors is an integer number (361465).

Almost surely, 2^6680904 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 6680904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8675160).

6680904 is an abundant number, since it is smaller than the sum of its proper divisors (10669416).

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

6680904 is a wasteful number, since it uses less digits than its factorization.

6680904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 6680904 is about 2584.7444747982. The cubic root of 6680904 is about 188.3410889506.

The spelling of 6680904 in words is "six million, six hundred eighty thousand, nine hundred four".