6886868 has 6 divisors (see below), whose sum is σ = 12052026. Its totient is φ = 3443432.

The previous prime is 6886843. The next prime is 6886883. The reversal of 6886868 is 8686886.

It can be written as a sum of positive squares in only one way, i.e., 6461764 + 425104 = 2542^2 + 652^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 860855 + ... + 860862.

It is an arithmetic number, because the mean of its divisors is an integer number (2008671).

Almost surely, 2^6886868 is an apocalyptic number.

It is an amenable number.

6886868 is a deficient number, since it is larger than the sum of its proper divisors (5165158).

6886868 is a wasteful number, since it uses less digits than its factorization.

6886868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721721 (or 1721719 counting only the distinct ones).

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

The square root of 6886868 is about 2624.2842833809. The cubic root of 6886868 is about 190.2569745389.

The spelling of 6886868 in words is "six million, eight hundred eighty-six thousand, eight hundred sixty-eight".