64089 has 6 divisors (see below), whose sum is σ = 92586. Its totient is φ = 42720.

The previous prime is 64081. The next prime is 64091. The reversal of 64089 is 98046.

It can be written as a sum of positive squares in only one way, i.e., 36864 + 27225 = 192^2 + 165^2 .

It is not a de Polignac number, because 64089 - 2³ = 64081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3552 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (15431).

2⁶⁴⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

64089 is a deficient number, since it is larger than the sum of its proper divisors (28497).

64089 is a wasteful number, since it uses less digits than its factorization.

64089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127 (or 7124 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 64089 is about 253.1580533975. The cubic root of 64089 is about 40.0185330785.

It can be divided in two parts, 640 and 89, that added together give a 6-th power (729 = 3⁶).

The spelling of 64089 in words is "sixty-four thousand, eighty-nine".