43828028 has 12 divisors (see below), whose sum is σ = 77403480. Its totient is φ = 21712752.

The previous prime is 43828007. The next prime is 43828039. The reversal of 43828028 is 82082834.

43828028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49826 + ... + 50697.

It is an arithmetic number, because the mean of its divisors is an integer number (6450290).

Almost surely, 2^43828028 is an apocalyptic number.

It is an amenable number.

43828028 is a deficient number, since it is larger than the sum of its proper divisors (33575452).

43828028 is a wasteful number, since it uses less digits than its factorization.

43828028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100636 (or 100634 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 43828028 is about 6620.2740124560. The cubic root of 43828028 is about 352.5742928097.

The spelling of 43828028 in words is "forty-three million, eight hundred twenty-eight thousand, twenty-eight".