43938842 has 12 divisors (see below), whose sum is σ = 68105898. Its totient is φ = 21259800.

The previous prime is 43938827. The next prime is 43938859. The reversal of 43938842 is 24883934.

It is a happy number.

43938842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27447121 + 16491721 = 5239^2 + 4061^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43938842.

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 5 ways as a sum of consecutive naturals, for example, 9509 + ... + 13352.

Almost surely, 2^43938842 is an apocalyptic number.

43938842 is a deficient number, since it is larger than the sum of its proper divisors (24167056).

43938842 is a wasteful number, since it uses less digits than its factorization.

43938842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22925 (or 22894 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 43938842 is about 6628.6380199857. The cubic root of 43938842 is about 352.8711902331.

The spelling of 43938842 in words is "forty-three million, nine hundred thirty-eight thousand, eight hundred forty-two".