444089663 has 8 divisors (see below), whose sum is σ = 462028800. Its totient is φ = 426376440.

The previous prime is 444089647. The next prime is 444089669. The reversal of 444089663 is 366980444.

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 444089663 - 2⁴ = 444089647 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 (444089669) 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, 52463 + ... + 60336.

It is an arithmetic number, because the mean of its divisors is an integer number (57753600).

Almost surely, 2^444089663 is an apocalyptic number.

444089663 is a deficient number, since it is larger than the sum of its proper divisors (17939137).

444089663 is a wasteful number, since it uses less digits than its factorization.

444089663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112957.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 444089663 is about 21073.4350071364. The cubic root of 444089663 is about 762.9397126268.

The spelling of 444089663 in words is "four hundred forty-four million, eighty-nine thousand, six hundred sixty-three".