44389939 has 6 divisors (see below), whose sum is σ = 48792380. Its totient is φ = 40354380.

The previous prime is 44389937. The next prime is 44389967. The reversal of 44389939 is 93998344.

44389939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44389939 - 2¹ = 44389937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44389892 and 44389901.

It is not an unprimeable number, because it can be changed into a prime (44389937) 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 5 ways as a sum of consecutive naturals, for example, 183309 + ... + 183550.

Almost surely, 2^44389939 is an apocalyptic number.

44389939 is a deficient number, since it is larger than the sum of its proper divisors (4402441).

44389939 is a wasteful number, since it uses less digits than its factorization.

44389939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366881 (or 366870 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 44389939 is about 6662.5775042396. The cubic root of 44389939 is about 354.0746621329.

It can be divided in two parts, 44 and 389939, that added together give a palindrome (389983).

The spelling of 44389939 in words is "forty-four million, three hundred eighty-nine thousand, nine hundred thirty-nine".