6868885 has 4 divisors (see below), whose sum is σ = 8242668. Its totient is φ = 5495104.

The previous prime is 6868879. The next prime is 6868889. The reversal of 6868885 is 5888686.

6868885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5888686 = 2 ⋅2944343.

It can be written as a sum of positive squares in 2 ways, for example, as 1697809 + 5171076 = 1303^2 + 2274^2 .

It is a cyclic number.

It is not a de Polignac number, because 6868885 - 2⁹ = 6868373 is a prime.

It is a super-2 number, since 2×6868885² = 94363162286450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868889) 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, 686884 + ... + 686893.

It is an arithmetic number, because the mean of its divisors is an integer number (2060667).

Almost surely, 2^6868885 is an apocalyptic number.

It is an amenable number.

6868885 is a deficient number, since it is larger than the sum of its proper divisors (1373783).

6868885 is a wasteful number, since it uses less digits than its factorization.

6868885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373782.

The product of its digits is 737280, while the sum is 49.

The square root of 6868885 is about 2620.8557762685. The cubic root of 6868885 is about 190.0912304260.

The spelling of 6868885 in words is "six million, eight hundred sixty-eight thousand, eight hundred eighty-five".