6868886 has 4 divisors (see below), whose sum is σ = 10303332. Its totient is φ = 3434442.

The previous prime is 6868879. The next prime is 6868889. The reversal of 6868886 is 6888686.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 1717220 + ... + 1717223.

It is an arithmetic number, because the mean of its divisors is an integer number (2575833).

Almost surely, 2^6868886 is an apocalyptic number.

6868886 is a deficient number, since it is larger than the sum of its proper divisors (3434446).

6868886 is a wasteful number, since it uses less digits than its factorization.

6868886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434445.

The product of its digits is 884736, while the sum is 50.

The square root of 6868886 is about 2620.8559670459. The cubic root of 6868886 is about 190.0912396508.

The spelling of 6868886 in words is "six million, eight hundred sixty-eight thousand, eight hundred eighty-six".