44321909 has 8 divisors (see below), whose sum is σ = 45883392. Its totient is φ = 42768720.

The previous prime is 44321891. The next prime is 44321933. The reversal of 44321909 is 90912344.

It is a happy number.

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 44321909 - 2¹² = 44317813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44321969) 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, 10007 + ... + 13739.

It is an arithmetic number, because the mean of its divisors is an integer number (5735424).

Almost surely, 2^44321909 is an apocalyptic number.

It is an amenable number.

44321909 is a deficient number, since it is larger than the sum of its proper divisors (1561483).

44321909 is a wasteful number, since it uses less digits than its factorization.

44321909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 44321909 is about 6657.4701651603. The cubic root of 44321909 is about 353.8936900813.

The spelling of 44321909 in words is "forty-four million, three hundred twenty-one thousand, nine hundred nine".