44443689 has 8 divisors (see below), whose sum is σ = 61301760. Its totient is φ = 28607376.

The previous prime is 44443681. The next prime is 44443699. The reversal of 44443689 is 98634444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44443689 - 2³ = 44443681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44443689.

It is not an unprimeable number, because it can be changed into a prime (44443681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255337 + ... + 255510.

It is an arithmetic number, because the mean of its divisors is an integer number (7662720).

Almost surely, 2^44443689 is an apocalyptic number.

It is an amenable number.

44443689 is a deficient number, since it is larger than the sum of its proper divisors (16858071).

44443689 is a wasteful number, since it uses less digits than its factorization.

44443689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510879.

The product of its digits is 331776, while the sum is 42.

The square root of 44443689 is about 6666.6100080926. The cubic root of 44443689 is about 354.2175161007.

The spelling of 44443689 in words is "forty-four million, four hundred forty-three thousand, six hundred eighty-nine".