2028544 has 44 divisors (see below), whose sum is σ = 4650784. Its totient is φ = 866304.

The previous prime is 2028527. The next prime is 2028581. The reversal of 2028544 is 4458202.

It is a happy number.

It is a super-2 number, since 2×2028544² = 8229981519872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7027 + ... + 7309.

2^2028544 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 2028544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2325392).

2028544 is an abundant number, since it is smaller than the sum of its proper divisors (2622240).

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

2028544 is an equidigital number, since it uses as much as digits as its factorization.

2028544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2028544 is about 1424.2696373931. The cubic root of 2028544 is about 126.5886623454.

The spelling of 2028544 in words is "two million, twenty-eight thousand, five hundred forty-four".