9389 has 4 divisors (see below), whose sum is σ = 9660. Its totient is φ = 9120.

The previous prime is 9377. The next prime is 9391. The reversal of 9389 is 9839.

9389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4489 + 4900 = 67^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 9389 - 2⁸ = 9133 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6, base 8 and base 16.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 155.

It is an arithmetic number, because the mean of its divisors is an integer number (2415).

2⁹³⁸⁹ is an apocalyptic number.

It is an amenable number.

9389 is a deficient number, since it is larger than the sum of its proper divisors (271).

9389 is a wasteful number, since it uses less digits than its factorization.

9389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its digits is 1944, while the sum is 29.

The square root of 9389 is about 96.8968523741. The cubic root of 9389 is about 21.0963074631.

The spelling of 9389 in words is "nine thousand, three hundred eighty-nine".