2568628 has 6 divisors (see below), whose sum is σ = 4495106. Its totient is φ = 1284312.

The previous prime is 2568623. The next prime is 2568641. The reversal of 2568628 is 8268652.

2568628 is digitally balanced in base 2, 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., 1340964 + 1227664 = 1158^2 + 1108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568623) 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 as a sum of consecutive naturals, namely, 321075 + ... + 321082.

2^2568628 is an apocalyptic number.

It is an amenable number.

2568628 is a deficient number, since it is larger than the sum of its proper divisors (1926478).

2568628 is a wasteful number, since it uses less digits than its factorization.

2568628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642161 (or 642159 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 2568628 is about 1602.6939820190. The cubic root of 2568628 is about 136.9515874904.

The spelling of 2568628 in words is "two million, five hundred sixty-eight thousand, six hundred twenty-eight".