44028 has 18 divisors (see below), whose sum is σ = 111384. Its totient is φ = 14664.

The previous prime is 44027. The next prime is 44029. The reversal of 44028 is 82044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44027) and next prime (44029).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 44028.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 44028.

It is not an unprimeable number, because it can be changed into a prime (44021) 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 5 ways as a sum of consecutive naturals, for example, 576 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (6188).

2⁴⁴⁰²⁸ is an apocalyptic number.

It is an amenable number.

44028 is an abundant number, since it is smaller than the sum of its proper divisors (67356).

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

44028 is a wasteful number, since it uses less digits than its factorization.

44028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 44028 is about 209.8285014005. The cubic root of 44028 is about 35.3109703830.

The spelling of 44028 in words is "forty-four thousand, twenty-eight".