8138589 has 16 divisors (see below), whose sum is σ = 11323200. Its totient is φ = 5193216.

The previous prime is 8138579. The next prime is 8138629. The reversal of 8138589 is 9858318.

It is not a de Polignac number, because 8138589 - 2¹⁶ = 8073053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8138589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11757 + ... + 12429.

It is an arithmetic number, because the mean of its divisors is an integer number (707700).

Almost surely, 2^8138589 is an apocalyptic number.

It is an amenable number.

8138589 is a deficient number, since it is larger than the sum of its proper divisors (3184611).

8138589 is a wasteful number, since it uses less digits than its factorization.

8138589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its digits is 69120, while the sum is 42.

The square root of 8138589 is about 2852.8212351986. The cubic root of 8138589 is about 201.1483027197.

The spelling of 8138589 in words is "eight million, one hundred thirty-eight thousand, five hundred eighty-nine".