204284 has 6 divisors (see below), whose sum is σ = 357504. Its totient is φ = 102140.

The previous prime is 204251. The next prime is 204299. The reversal of 204284 is 482402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 204284.

It is an unprimeable number.

204284 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25532 + ... + 25539.

It is an arithmetic number, because the mean of its divisors is an integer number (59584).

2²⁰⁴²⁸⁴ is an apocalyptic number.

It is an amenable number.

204284 is a deficient number, since it is larger than the sum of its proper divisors (153220).

204284 is a wasteful number, since it uses less digits than its factorization.

204284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51075 (or 51073 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 204284 is about 451.9778755647. The cubic root of 204284 is about 58.8949581709.

Adding to 204284 its sum of digits (20), we get a square (204304 = 452²).

Adding to 204284 its reverse (482402), we get a palindrome (686686).

The spelling of 204284 in words is "two hundred four thousand, two hundred eighty-four".