444496189 has 4 divisors (see below), whose sum is σ = 444693340. Its totient is φ = 444299040.

The previous prime is 444496181. The next prime is 444496219. The reversal of 444496189 is 981694444.

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 354568900 + 89927289 = 18830^2 + 9483^2 .

It is a cyclic number.

It is not a de Polignac number, because 444496189 - 2³ = 444496181 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 (444496181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95154 + ... + 99715.

It is an arithmetic number, because the mean of its divisors is an integer number (111173335).

Almost surely, 2^444496189 is an apocalyptic number.

It is an amenable number.

444496189 is a deficient number, since it is larger than the sum of its proper divisors (197151).

444496189 is a wasteful number, since it uses less digits than its factorization.

444496189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197150.

The product of its digits is 995328, while the sum is 49.

The square root of 444496189 is about 21083.0782619617. The cubic root of 444496189 is about 763.1724435845.

The spelling of 444496189 in words is "four hundred forty-four million, four hundred ninety-six thousand, one hundred eighty-nine".