6885866 has 32 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 2942784.

The previous prime is 6885821. The next prime is 6885883. The reversal of 6885866 is 6685886.

It is a self number, because there is not a number n which added to its sum of digits gives 6885866.

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 15 ways as a sum of consecutive naturals, for example, 26051 + ... + 26313.

It is an arithmetic number, because the mean of its divisors is an integer number (374220).

Almost surely, 2^6885866 is an apocalyptic number.

6885866 is a deficient number, since it is larger than the sum of its proper divisors (5089174).

6885866 is a wasteful number, since it uses less digits than its factorization.

6885866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350.

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

The square root of 6885866 is about 2624.0933672413. The cubic root of 6885866 is about 190.2477469899.

The spelling of 6885866 in words is "six million, eight hundred eighty-five thousand, eight hundred sixty-six".