43999828 has 12 divisors (see below), whose sum is σ = 80347680. Its totient is φ = 21043352.

The previous prime is 43999817. The next prime is 43999829. The reversal of 43999828 is 82899934.

43999828 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 not an unprimeable number, because it can be changed into a prime (43999829) by changing a digit.

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, 239038 + ... + 239221.

It is an arithmetic number, because the mean of its divisors is an integer number (6695640).

Almost surely, 2^43999828 is an apocalyptic number.

It is an amenable number.

43999828 is a deficient number, since it is larger than the sum of its proper divisors (36347852).

43999828 is a wasteful number, since it uses less digits than its factorization.

43999828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478286 (or 478284 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 43999828 is about 6633.2366157103. The cubic root of 43999828 is about 353.0343735169.

The spelling of 43999828 in words is "forty-three million, nine hundred ninety-nine thousand, eight hundred twenty-eight".