543804 has 12 divisors (see below), whose sum is σ = 1268904. Its totient is φ = 181264.

The previous prime is 543797. The next prime is 543811. The reversal of 543804 is 408345.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (543797) and next prime (543811).

It is a tau number, because it is divible by the number of its divisors (12).

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 543804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22647 + ... + 22670.

It is an arithmetic number, because the mean of its divisors is an integer number (105742).

2⁵⁴³⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

543804 is an abundant number, since it is smaller than the sum of its proper divisors (725100).

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

543804 is a wasteful number, since it uses less digits than its factorization.

543804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45324 (or 45322 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 543804 is about 737.4306747078. The cubic root of 543804 is about 81.6232968852.

The spelling of 543804 in words is "five hundred forty-three thousand, eight hundred four".