44383991 has 4 divisors (see below), whose sum is σ = 46994832. Its totient is φ = 41773152.

The previous prime is 44383961. The next prime is 44383993. The reversal of 44383991 is 19938344.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44383991 - 2¹⁴ = 44367607 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 (44383993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305395 + ... + 1305428.

It is an arithmetic number, because the mean of its divisors is an integer number (11748708).

Almost surely, 2^44383991 is an apocalyptic number.

44383991 is a deficient number, since it is larger than the sum of its proper divisors (2610841).

44383991 is a wasteful number, since it uses less digits than its factorization.

44383991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610840.

The product of its digits is 93312, while the sum is 41.

The square root of 44383991 is about 6662.1311154915. The cubic root of 44383991 is about 354.0588467611.

The spelling of 44383991 in words is "forty-four million, three hundred eighty-three thousand, nine hundred ninety-one".