2568738 has 16 divisors (see below), whose sum is σ = 5247360. Its totient is φ = 837936.

The previous prime is 2568719. The next prime is 2568739. The reversal of 2568738 is 8378652.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2568696 and 2568705.

It is not an unprimeable number, because it can be changed into a prime (2568739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4273 + ... + 4836.

It is an arithmetic number, because the mean of its divisors is an integer number (327960).

2^2568738 is an apocalyptic number.

2568738 is an abundant number, since it is smaller than the sum of its proper divisors (2678622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2568738 is a wasteful number, since it uses less digits than its factorization.

2568738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161.

The product of its digits is 80640, while the sum is 39.

The square root of 2568738 is about 1602.7282988704. The cubic root of 2568738 is about 136.9535424199.

The spelling of 2568738 in words is "two million, five hundred sixty-eight thousand, seven hundred thirty-eight".