223489 has 6 divisors (see below), whose sum is σ = 260034. Its totient is φ = 191520.

The previous prime is 223481. The next prime is 223493. The reversal of 223489 is 984322.

It can be written as a sum of positive squares in only one way, i.e., 176400 + 47089 = 420^2 + 217^2 .

It is not a de Polignac number, because 223489 - 2³ = 223481 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (223481) 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 5 ways as a sum of consecutive naturals, for example, 2232 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (43339).

2²²³⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

223489 is a deficient number, since it is larger than the sum of its proper divisors (36545).

223489 is an equidigital number, since it uses as much as digits as its factorization.

223489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575 (or 4568 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 223489 is about 472.7462321373. The cubic root of 223489 is about 60.6855628185.

The spelling of 223489 in words is "two hundred twenty-three thousand, four hundred eighty-nine".