44099789 has 4 divisors (see below), whose sum is σ = 44554524. Its totient is φ = 43645056.

The previous prime is 44099777. The next prime is 44099791. The reversal of 44099789 is 98799044.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35880100 + 8219689 = 5990^2 + 2867^2 .

It is a cyclic number.

It is not a de Polignac number, because 44099789 - 2⁴ = 44099773 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 (44099089) 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, 227222 + ... + 227415.

It is an arithmetic number, because the mean of its divisors is an integer number (11138631).

Almost surely, 2^44099789 is an apocalyptic number.

It is an amenable number.

44099789 is a deficient number, since it is larger than the sum of its proper divisors (454735).

44099789 is an equidigital number, since it uses as much as digits as its factorization.

44099789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454734.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 44099789 is about 6640.7671996540. The cubic root of 44099789 is about 353.3015183371.

The spelling of 44099789 in words is "forty-four million, ninety-nine thousand, seven hundred eighty-nine".