6864568 has 16 divisors (see below), whose sum is σ = 12901680. Its totient is φ = 3424128.

The previous prime is 6864553. The next prime is 6864581. The reversal of 6864568 is 8654686.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

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, 4021 + ... + 5467.

It is an arithmetic number, because the mean of its divisors is an integer number (806355).

Almost surely, 2^6864568 is an apocalyptic number.

It is an amenable number.

6864568 is a deficient number, since it is larger than the sum of its proper divisors (6037112).

6864568 is a wasteful number, since it uses less digits than its factorization.

6864568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2042 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 6864568 is about 2620.0320608725. The cubic root of 6864568 is about 190.0513988367.

The spelling of 6864568 in words is "six million, eight hundred sixty-four thousand, five hundred sixty-eight".