44249939 has 4 divisors (see below), whose sum is σ = 44347224. Its totient is φ = 44152656.

The previous prime is 44249923. The next prime is 44249951. The reversal of 44249939 is 93994244.

44249939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44249939 - 2⁴ = 44249923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44249939.

It is not an unprimeable number, because it can be changed into a prime (44243939) 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, 47957 + ... + 48870.

It is an arithmetic number, because the mean of its divisors is an integer number (11086806).

Almost surely, 2^44249939 is an apocalyptic number.

44249939 is a deficient number, since it is larger than the sum of its proper divisors (97285).

44249939 is an equidigital number, since it uses as much as digits as its factorization.

44249939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97284.

The product of its digits is 279936, while the sum is 44.

The square root of 44249939 is about 6652.0627627827. The cubic root of 44249939 is about 353.7020352254.

The spelling of 44249939 in words is "forty-four million, two hundred forty-nine thousand, nine hundred thirty-nine".