543928 has 32 divisors (see below), whose sum is σ = 1272960. Its totient is φ = 211680.

The previous prime is 543911. The next prime is 543929. The reversal of 543928 is 829345.

It is a self number, because there is not a number n which added to its sum of digits gives 543928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (39780).

2⁵⁴³⁹²⁸ 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 543928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636480).

543928 is an abundant number, since it is smaller than the sum of its proper divisors (729032).

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

543928 is a wasteful number, since it uses less digits than its factorization.

543928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 903 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 543928 is about 737.5147456153. The cubic root of 543928 is about 81.6295004191.

The spelling of 543928 in words is "five hundred forty-three thousand, nine hundred twenty-eight".