444004889 has 4 divisors (see below), whose sum is σ = 444314880. Its totient is φ = 443694900.

The previous prime is 444004871. The next prime is 444004919. The reversal of 444004889 is 988400444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444004889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444004829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152837 + ... + 155714.

It is an arithmetic number, because the mean of its divisors is an integer number (111078720).

Almost surely, 2^444004889 is an apocalyptic number.

It is an amenable number.

444004889 is a deficient number, since it is larger than the sum of its proper divisors (309991).

444004889 is a wasteful number, since it uses less digits than its factorization.

444004889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309990.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 444004889 is about 21071.4235162222. The cubic root of 444004889 is about 762.8911626961.

The spelling of 444004889 in words is "four hundred forty-four million, four thousand, eight hundred eighty-nine".