44099839 has 4 divisors (see below), whose sum is σ = 50399824. Its totient is φ = 37799856.

The previous prime is 44099801. The next prime is 44099849. The reversal of 44099839 is 93899044.

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 44099839 - 2¹⁹ = 43575551 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 (44099849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3149982 + ... + 3149995.

It is an arithmetic number, because the mean of its divisors is an integer number (12599956).

Almost surely, 2^44099839 is an apocalyptic number.

44099839 is a deficient number, since it is larger than the sum of its proper divisors (6299985).

44099839 is an equidigital number, since it uses as much as digits as its factorization.

44099839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299984.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 44099839 is about 6640.7709642782. The cubic root of 44099839 is about 353.3016518605.

The spelling of 44099839 in words is "forty-four million, ninety-nine thousand, eight hundred thirty-nine".