17389 has 2 divisors, whose sum is σ = 17390. Its totient is φ = 17388.

The previous prime is 17387. The next prime is 17393. The reversal of 17389 is 98371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15625 + 1764 = 125^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 17389 - 2¹ = 17387 is a prime.

Together with 17387, it forms a pair of twin primes.

It is an Ulam number.

17389 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8694 + 8695.

It is an arithmetic number, because the mean of its divisors is an integer number (8695).

2¹⁷³⁸⁹ is an apocalyptic number.

It is an amenable number.

17389 is a deficient number, since it is larger than the sum of its proper divisors (1).

17389 is an equidigital number, since it uses as much as digits as its factorization.

17389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 17389 is about 131.8673575985. The cubic root of 17389 is about 25.9074619605.

It can be divided in two parts, 173 and 89, that added together give a palindrome (262).

The spelling of 17389 in words is "seventeen thousand, three hundred eighty-nine".