2568402 has 16 divisors (see below), whose sum is σ = 5707680. Its totient is φ = 856116.

The previous prime is 2568389. The next prime is 2568403. The reversal of 2568402 is 2048652.

2568402 is a `hidden beast` number, since 256 + 8 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2568403) 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, 23728 + ... + 23835.

It is an arithmetic number, because the mean of its divisors is an integer number (356730).

2^2568402 is an apocalyptic number.

2568402 is an abundant number, since it is smaller than the sum of its proper divisors (3139278).

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

2568402 is a wasteful number, since it uses less digits than its factorization.

2568402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47574 (or 47568 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2568402 is about 1602.6234741823. The cubic root of 2568402 is about 136.9475708239.

The spelling of 2568402 in words is "two million, five hundred sixty-eight thousand, four hundred two".