543872 has 32 divisors (see below), whose sum is σ = 1240320. Its totient is φ = 232704.

The previous prime is 543871. The next prime is 543877. The reversal of 543872 is 278345.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between odd and even.

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 543872.

It is not an unprimeable number, because it can be changed into a prime (543871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (38760).

2⁵⁴³⁸⁷² 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 543872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620160).

543872 is an abundant number, since it is smaller than the sum of its proper divisors (696448).

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

543872 is an equidigital number, since it uses as much as digits as its factorization.

543872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 616 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 543872 is about 737.4767792955. The cubic root of 543872 is about 81.6266989399.

The spelling of 543872 in words is "five hundred forty-three thousand, eight hundred seventy-two".