2543628 has 12 divisors (see below), whose sum is σ = 5935160. Its totient is φ = 847872.

The previous prime is 2543623. The next prime is 2543633. The reversal of 2543628 is 8263452.

2543628 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2543623) and next prime (2543633).

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 2⁷ + 5⁹ + 4⁸ + 3 + 6² + 2¹⁹ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 2543595 and 2543604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105973 + ... + 105996.

2^2543628 is an apocalyptic number.

It is an amenable number.

2543628 is an abundant number, since it is smaller than the sum of its proper divisors (3391532).

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

2543628 is a wasteful number, since it uses less digits than its factorization.

2543628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211976 (or 211974 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2543628 is about 1594.8755437337. The cubic root of 2543628 is about 136.5058296964.

The spelling of 2543628 in words is "two million, five hundred forty-three thousand, six hundred twenty-eight".