44238009 has 4 divisors (see below), whose sum is σ = 58984016. Its totient is φ = 29492004.

The previous prime is 44237983. The next prime is 44238059. The reversal of 44238009 is 90083244.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44238009 - 2¹² = 44233913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44238059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372999 + ... + 7373004.

It is an arithmetic number, because the mean of its divisors is an integer number (14746004).

Almost surely, 2^44238009 is an apocalyptic number.

It is an amenable number.

44238009 is a deficient number, since it is larger than the sum of its proper divisors (14746007).

44238009 is a wasteful number, since it uses less digits than its factorization.

44238009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746006.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 44238009 is about 6651.1659880054. The cubic root of 44238009 is about 353.6702457687.

The spelling of 44238009 in words is "forty-four million, two hundred thirty-eight thousand, nine".