543204 has 36 divisors (see below), whose sum is σ = 1397760. Its totient is φ = 177840.

The previous prime is 543203. The next prime is 543217. The reversal of 543204 is 402345.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (543203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2749 + ... + 2939.

2⁵⁴³²⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698880).

543204 is an abundant number, since it is smaller than the sum of its proper divisors (854556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543204 is a wasteful number, since it uses less digits than its factorization.

543204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 543204 is about 737.0237445293. The cubic root of 543204 is about 81.5932664571.

Adding to 543204 its reverse (402345), we get a palindrome (945549).

It can be divided in two parts, 543 and 204, that added together give a palindrome (747).

The spelling of 543204 in words is "five hundred forty-three thousand, two hundred four".