44349921 has 24 divisors (see below), whose sum is σ = 79869504. Its totient is φ = 23038560.

The previous prime is 44349883. The next prime is 44349947. The reversal of 44349921 is 12994344.

44349921 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 44349921 - 2¹⁸ = 44087777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44345921) 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 23 ways as a sum of consecutive naturals, for example, 31306 + ... + 32691.

It is an arithmetic number, because the mean of its divisors is an integer number (3327896).

Almost surely, 2^44349921 is an apocalyptic number.

It is an amenable number.

44349921 is a deficient number, since it is larger than the sum of its proper divisors (35519583).

44349921 is a wasteful number, since it uses less digits than its factorization.

44349921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64021 (or 64018 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 44349921 is about 6659.5736350010. The cubic root of 44349921 is about 353.9682294575.

The spelling of 44349921 in words is "forty-four million, three hundred forty-nine thousand, nine hundred twenty-one".