2568868 has 6 divisors (see below), whose sum is σ = 4495526. Its totient is φ = 1284432.

The previous prime is 2568833. The next prime is 2568869. The reversal of 2568868 is 8688652.

It is a happy number.

2568868 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1737124 + 831744 = 1318^2 + 912^2 .

It is not an unprimeable number, because it can be changed into a prime (2568869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321105 + ... + 321112.

2^2568868 is an apocalyptic number.

It is an amenable number.

2568868 is a deficient number, since it is larger than the sum of its proper divisors (1926658).

2568868 is a wasteful number, since it uses less digits than its factorization.

2568868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642221 (or 642219 counting only the distinct ones).

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

The square root of 2568868 is about 1602.7688542020. The cubic root of 2568868 is about 136.9558527191.

The spelling of 2568868 in words is "two million, five hundred sixty-eight thousand, eight hundred sixty-eight".