444334889 has 4 divisors (see below), whose sum is σ = 445060356. Its totient is φ = 443609424.

The previous prime is 444334853. The next prime is 444334921. The reversal of 444334889 is 988433444.

It is a happy number.

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 123387664 + 320947225 = 11108^2 + 17915^2 .

It is a cyclic number.

It is not a de Polignac number, because 444334889 - 2²⁸ = 175899433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444334819) 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 3 ways as a sum of consecutive naturals, for example, 361814 + ... + 363039.

It is an arithmetic number, because the mean of its divisors is an integer number (111265089).

Almost surely, 2^444334889 is an apocalyptic number.

It is an amenable number.

444334889 is a deficient number, since it is larger than the sum of its proper divisors (725467).

444334889 is an equidigital number, since it uses as much as digits as its factorization.

444334889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725466.

The product of its digits is 1327104, while the sum is 47.

The square root of 444334889 is about 21079.2525721383. The cubic root of 444334889 is about 763.0801183771.

The spelling of 444334889 in words is "four hundred forty-four million, three hundred thirty-four thousand, eight hundred eighty-nine".