89389 has 4 divisors (see below), whose sum is σ = 90720. Its totient is φ = 88060.

The previous prime is 89387. The next prime is 89393. The reversal of 89389 is 98398.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98398 = 2 ⋅49199.

It is a cyclic number.

It is not a de Polignac number, because 89389 - 2¹ = 89387 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 (89381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559 + ... + 700.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2⁸⁹³⁸⁹ is an apocalyptic number.

It is an amenable number.

89389 is a deficient number, since it is larger than the sum of its proper divisors (1331).

89389 is a wasteful number, since it uses less digits than its factorization.

89389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330.

The product of its digits is 15552, while the sum is 37.

The square root of 89389 is about 298.9799324369. The cubic root of 89389 is about 44.7124045736.

Subtracting from 89389 its product of digits (15552), we obtain a palindrome (73837).

Subtracting 89389 from its reverse (98398), we obtain a palindrome (9009).

The spelling of 89389 in words is "eighty-nine thousand, three hundred eighty-nine".