4043028 has 48 divisors (see below), whose sum is σ = 10422720. Its totient is φ = 1209600.

The previous prime is 4043023. The next prime is 4043047. The reversal of 4043028 is 8203404.

It is a happy number.

4043028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4042995 and 4043013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14248 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (217140).

Almost surely, 2^4043028 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 4043028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5211360).

4043028 is an abundant number, since it is smaller than the sum of its proper divisors (6379692).

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

4043028 is a wasteful number, since it uses less digits than its factorization.

4043028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4043028 is about 2010.7282262902. The cubic root of 4043028 is about 159.3072654883.

The spelling of 4043028 in words is "four million, forty-three thousand, twenty-eight".