223389 has 6 divisors (see below), whose sum is σ = 322686. Its totient is φ = 148920.

The previous prime is 223381. The next prime is 223403. The reversal of 223389 is 983322.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 71289 = 390^2 + 267^2 .

It is not a de Polignac number, because 223389 - 2³ = 223381 is a prime.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223381) 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, 12402 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (53781).

2²²³³⁸⁹ is an apocalyptic number.

It is an amenable number.

223389 is a deficient number, since it is larger than the sum of its proper divisors (99297).

223389 is a wasteful number, since it uses less digits than its factorization.

223389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24827 (or 24824 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 223389 is about 472.6404553146. The cubic root of 223389 is about 60.6765102303.

The spelling of 223389 in words is "two hundred twenty-three thousand, three hundred eighty-nine".