44381939 has 16 divisors (see below), whose sum is σ = 51871488. Its totient is φ = 37189152.

The previous prime is 44381923. The next prime is 44381957. The reversal of 44381939 is 93918344.

It is not a de Polignac number, because 44381939 - 2⁴ = 44381923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44381896 and 44381905.

It is not an unprimeable number, because it can be changed into a prime (44381969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80864 + ... + 81410.

It is an arithmetic number, because the mean of its divisors is an integer number (3241968).

Almost surely, 2^44381939 is an apocalyptic number.

44381939 is a deficient number, since it is larger than the sum of its proper divisors (7489549).

44381939 is a wasteful number, since it uses less digits than its factorization.

44381939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794.

The product of its digits is 93312, while the sum is 41.

The square root of 44381939 is about 6661.9771089370. The cubic root of 44381939 is about 354.0533902896.

The spelling of 44381939 in words is "forty-four million, three hundred eighty-one thousand, nine hundred thirty-nine".