2568688 has 20 divisors (see below), whose sum is σ = 5112520. Its totient is φ = 1249344.

The previous prime is 2568673. The next prime is 2568689. The reversal of 2568688 is 8868652.

It is a happy number.

2568688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568689) 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 3 ways as a sum of consecutive naturals, for example, 1578 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (255626).

2^2568688 is an apocalyptic number.

It is an amenable number.

2568688 is a deficient number, since it is larger than the sum of its proper divisors (2543832).

2568688 is a wasteful number, since it uses less digits than its factorization.

2568688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384 (or 4378 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 2568688 is about 1602.7127003927. The cubic root of 2568688 is about 136.9526538225.

The spelling of 2568688 in words is "two million, five hundred sixty-eight thousand, six hundred eighty-eight".