204363 has 18 divisors (see below), whose sum is σ = 317044. Its totient is φ = 131544.

The previous prime is 204361. The next prime is 204367. The reversal of 204363 is 363402.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 204363 - 2¹ = 204361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204361) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7033 + ... + 7061.

2²⁰⁴³⁶³ is an apocalyptic number.

204363 is a deficient number, since it is larger than the sum of its proper divisors (112681).

204363 is an frugal number, since it uses more digits than its factorization.

204363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 32 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 204363 is about 452.0652607755. The cubic root of 204363 is about 58.9025490772.

Multiplying 204363 by its product of nonzero digits (432), we get a square (88284816 = 9396²).

Adding to 204363 its reverse (363402), we get a palindrome (567765).

The spelling of 204363 in words is "two hundred four thousand, three hundred sixty-three".