2568420 has 72 divisors (see below), whose sum is σ = 8211840. Its totient is φ = 648000.

The previous prime is 2568413. The next prime is 2568427. The reversal of 2568420 is 248652.

It is an interprime number because it is at equal distance from previous prime (2568413) and next prime (2568427).

It is not an unprimeable number, because it can be changed into a prime (2568427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3045 + ... + 3795.

2^2568420 is an apocalyptic number.

2568420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2568420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4105920).

2568420 is an abundant number, since it is smaller than the sum of its proper divisors (5643420).

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

2568420 is a wasteful number, since it uses less digits than its factorization.

2568420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 780 counting only the distinct ones).

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

The square root of 2568420 is about 1602.6290899644. The cubic root of 2568420 is about 136.9478907440.

The spelling of 2568420 in words is "two million, five hundred sixty-eight thousand, four hundred twenty".