44269921 has 8 divisors (see below), whose sum is σ = 48490920. Its totient is φ = 40228608.

The previous prime is 44269909. The next prime is 44269931. The reversal of 44269921 is 12996244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6275025 + 37994896 = 2505^2 + 6164^2 .

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 44269921 - 2⁵ = 44269889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44269931) 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, 44406 + ... + 45391.

It is an arithmetic number, because the mean of its divisors is an integer number (6061365).

Almost surely, 2^44269921 is an apocalyptic number.

It is an amenable number.

44269921 is a deficient number, since it is larger than the sum of its proper divisors (4220999).

44269921 is a wasteful number, since it uses less digits than its factorization.

44269921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89843.

The product of its digits is 31104, while the sum is 37.

The square root of 44269921 is about 6653.5645333911. The cubic root of 44269921 is about 353.7552677694.

The spelling of 44269921 in words is "forty-four million, two hundred sixty-nine thousand, nine hundred twenty-one".