543320 has 48 divisors (see below), whose sum is σ = 1326240. Its totient is φ = 200192.

The previous prime is 543313. The next prime is 543341. The reversal of 543320 is 23345.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

543320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11537 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (27630).

2⁵⁴³³²⁰ 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 543320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663120).

543320 is an abundant number, since it is smaller than the sum of its proper divisors (782920).

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

543320 is a wasteful number, since it uses less digits than its factorization.

543320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 543320 is about 737.1024352151. The cubic root of 543320 is about 81.5990740636.

Adding to 543320 its reverse (23345), we get a palindrome (566665).

The spelling of 543320 in words is "five hundred forty-three thousand, three hundred twenty".