44491399 has 8 divisors (see below), whose sum is σ = 45061632. Its totient is φ = 43924920.

The previous prime is 44491373. The next prime is 44491439. The reversal of 44491399 is 99319444.

It is a happy number.

44491399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44491399 - 2¹¹ = 44489351 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 (44494399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28452 + ... + 29974.

It is an arithmetic number, because the mean of its divisors is an integer number (5632704).

Almost surely, 2^44491399 is an apocalyptic number.

44491399 is a deficient number, since it is larger than the sum of its proper divisors (570233).

44491399 is a wasteful number, since it uses less digits than its factorization.

44491399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877.

The product of its digits is 139968, while the sum is 43.

The square root of 44491399 is about 6670.1873287037. The cubic root of 44491399 is about 354.3442208098.

The spelling of 44491399 in words is "forty-four million, four hundred ninety-one thousand, three hundred ninety-nine".