436223 has 4 divisors (see below), whose sum is σ = 438840. Its totient is φ = 433608.

The previous prime is 436217. The next prime is 436231. The reversal of 436223 is 322634.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 436223 - 2¹⁶ = 370687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 436195 and 436204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (436253) 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, 1040 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (109710).

2⁴³⁶²²³ is an apocalyptic number.

436223 is a deficient number, since it is larger than the sum of its proper divisors (2617).

436223 is a wasteful number, since it uses less digits than its factorization.

436223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616.

The product of its digits is 864, while the sum is 20.

The square root of 436223 is about 660.4718010635. The cubic root of 436223 is about 75.8407909047.

Adding to 436223 its reverse (322634), we get a palindrome (758857).

The spelling of 436223 in words is "four hundred thirty-six thousand, two hundred twenty-three".