543996 has 60 divisors (see below), whose sum is σ = 1504272. Its totient is φ = 171072.

The previous prime is 543971. The next prime is 543997. The reversal of 543996 is 699345.

543996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 543996.

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 543996.

It is not an unprimeable number, because it can be changed into a prime (543997) by changing a digit.

543996 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 in 19 ways as a sum of consecutive naturals, for example, 7416 + ... + 7488.

2⁵⁴³⁹⁹⁶ 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 543996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752136).

543996 is an abundant number, since it is smaller than the sum of its proper divisors (960276).

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

543996 is a wasteful number, since it uses less digits than its factorization.

543996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 101 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 543996 is about 737.5608449477. The cubic root of 543996 is about 81.6329019567.

The spelling of 543996 in words is "five hundred forty-three thousand, nine hundred ninety-six".