444342589 has 4 divisors (see below), whose sum is σ = 463661856. Its totient is φ = 425023324.

The previous prime is 444342571. The next prime is 444342631. The reversal of 444342589 is 985243444.

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 not a de Polignac number, because 444342589 - 2¹¹ = 444340541 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 (444342529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9659599 + ... + 9659644.

It is an arithmetic number, because the mean of its divisors is an integer number (115915464).

Almost surely, 2^444342589 is an apocalyptic number.

It is an amenable number.

444342589 is a deficient number, since it is larger than the sum of its proper divisors (19319267).

444342589 is a wasteful number, since it uses less digits than its factorization.

444342589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19319266.

The product of its digits is 552960, while the sum is 43.

The square root of 444342589 is about 21079.4352153942. The cubic root of 444342589 is about 763.0845262259.

The spelling of 444342589 in words is "four hundred forty-four million, three hundred forty-two thousand, five hundred eighty-nine".