2556372 has 48 divisors (see below), whose sum is σ = 7344512. Its totient is φ = 673920.

The previous prime is 2556331. The next prime is 2556373. The reversal of 2556372 is 2736552.

2556372 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁵ + 5⁷ + 5⁹ + 6³ + 3⁵ + 7³ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79 + ... + 2262.

2^2556372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2556372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3672256).

2556372 is an abundant number, since it is smaller than the sum of its proper divisors (4788140).

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

2556372 is a wasteful number, since it uses less digits than its factorization.

2556372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2366 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 2556372 is about 1598.8658480310. The cubic root of 2556372 is about 136.7334223415.

The spelling of 2556372 in words is "two million, five hundred fifty-six thousand, three hundred seventy-two".