8444389 has 8 divisors (see below), whose sum is σ = 8624000. Its totient is φ = 8266752.

The previous prime is 8444363. The next prime is 8444407. The reversal of 8444389 is 9834448.

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 8444389 - 2¹⁵ = 8411621 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 (8444309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10597 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (1078000).

Almost surely, 2^8444389 is an apocalyptic number.

It is an amenable number.

8444389 is a deficient number, since it is larger than the sum of its proper divisors (179611).

8444389 is a wasteful number, since it uses less digits than its factorization.

8444389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its digits is 110592, while the sum is 40.

The square root of 8444389 is about 2905.9230891405. The cubic root of 8444389 is about 203.6367124624.

The spelling of 8444389 in words is "eight million, four hundred forty-four thousand, three hundred eighty-nine".