36489 has 4 divisors (see below), whose sum is σ = 48656. Its totient is φ = 24324.

The previous prime is 36479. The next prime is 36493. The reversal of 36489 is 98463.

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.

It is not a de Polignac number, because 36489 - 2⁴ = 36473 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (36469) 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, 6079 + ... + 6084.

It is an arithmetic number, because the mean of its divisors is an integer number (12164).

2³⁶⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

36489 is a deficient number, since it is larger than the sum of its proper divisors (12167).

36489 is a wasteful number, since it uses less digits than its factorization.

36489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12166.

The product of its digits is 5184, while the sum is 30.

The square root of 36489 is about 191.0209412604. The cubic root of 36489 is about 33.1681045590.

It can be divided in two parts, 36 and 489, that added together give a palindrome (525).

The spelling of 36489 in words is "thirty-six thousand, four hundred eighty-nine".