6685868 has 12 divisors (see below), whose sum is σ = 13371792. Its totient is φ = 2865360.

The previous prime is 6685867. The next prime is 6685907. The reversal of 6685868 is 8685866.

6685868 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119363 + ... + 119418.

It is an arithmetic number, because the mean of its divisors is an integer number (1114316).

Almost surely, 2^6685868 is an apocalyptic number.

It is an amenable number.

6685868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6685868 is a wasteful number, since it uses less digits than its factorization.

6685868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238792 (or 238790 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 6685868 is about 2585.7045461537. The cubic root of 6685868 is about 188.3877240421.

The spelling of 6685868 in words is "six million, six hundred eighty-five thousand, eight hundred sixty-eight".