6885813 has 32 divisors (see below), whose sum is σ = 10616832. Its totient is φ = 3931200.

The previous prime is 6885797. The next prime is 6885821. The reversal of 6885813 is 3185886.

It is a happy number.

It is not a de Polignac number, because 6885813 - 2⁴ = 6885797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6885883) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 54156 + ... + 54282.

It is an arithmetic number, because the mean of its divisors is an integer number (331776).

Almost surely, 2^6885813 is an apocalyptic number.

It is an amenable number.

6885813 is a deficient number, since it is larger than the sum of its proper divisors (3731019).

6885813 is a wasteful number, since it uses less digits than its factorization.

6885813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its digits is 46080, while the sum is 39.

The square root of 6885813 is about 2624.0832684959. The cubic root of 6885813 is about 190.2472588811.

The spelling of 6885813 in words is "six million, eight hundred eighty-five thousand, eight hundred thirteen".