44441921 has 8 divisors (see below), whose sum is σ = 45727680. Its totient is φ = 43160688.

The previous prime is 44441899. The next prime is 44441923. The reversal of 44441921 is 12914444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44441921 - 2⁶ = 44441857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44441923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33350 + ... + 34656.

It is an arithmetic number, because the mean of its divisors is an integer number (5715960).

Almost surely, 2^44441921 is an apocalyptic number.

It is an amenable number.

44441921 is a deficient number, since it is larger than the sum of its proper divisors (1285759).

44441921 is a wasteful number, since it uses less digits than its factorization.

44441921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263.

The product of its digits is 4608, while the sum is 29.

The square root of 44441921 is about 6666.4774056469. The cubic root of 44441921 is about 354.2128190343.

The spelling of 44441921 in words is "forty-four million, four hundred forty-one thousand, nine hundred twenty-one".