8444689 has 8 divisors (see below), whose sum is σ = 9269568. Its totient is φ = 7629360.

The previous prime is 8444687. The next prime is 8444701. The reversal of 8444689 is 9864448.

It is a happy number.

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 8444689 - 2¹ = 8444687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8444687) 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, 462 + ... + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (1158696).

Almost surely, 2^8444689 is an apocalyptic number.

It is an amenable number.

8444689 is a deficient number, since it is larger than the sum of its proper divisors (824879).

8444689 is a wasteful number, since it uses less digits than its factorization.

8444689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775.

The product of its digits is 221184, while the sum is 43.

The square root of 8444689 is about 2905.9747073917. The cubic root of 8444689 is about 203.6391239371.

The spelling of 8444689 in words is "eight million, four hundred forty-four thousand, six hundred eighty-nine".