2045628 has 96 divisors (see below), whose sum is σ = 6021120. Its totient is φ = 596160.

The previous prime is 2045611. The next prime is 2045629. The reversal of 2045628 is 8265402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43501 + ... + 43547.

It is an arithmetic number, because the mean of its divisors is an integer number (62720).

2^2045628 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 2045628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3010560).

2045628 is an abundant number, since it is smaller than the sum of its proper divisors (3975492).

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

2045628 is a wasteful number, since it uses less digits than its factorization.

2045628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 96 counting only the distinct ones).

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

The square root of 2045628 is about 1430.2545228035. The cubic root of 2045628 is about 126.9430376744.

It can be divided in two parts, 204 and 5628, that added together give a cube (5832 = 18³).

The spelling of 2045628 in words is "two million, forty-five thousand, six hundred twenty-eight".