543380 has 24 divisors (see below), whose sum is σ = 1156680. Its totient is φ = 214400.

The previous prime is 543379. The next prime is 543383. The reversal of 543380 is 83345.

It can be written as a sum of positive squares in 4 ways, for example, as 64516 + 478864 = 254^2 + 692^2 .

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1886 + ... + 2154.

It is an arithmetic number, because the mean of its divisors is an integer number (48195).

2⁵⁴³³⁸⁰ is an apocalyptic number.

It is an amenable number.

543380 is an abundant number, since it is smaller than the sum of its proper divisors (613300).

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

543380 is a wasteful number, since it uses less digits than its factorization.

543380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 543380 is about 737.1431339977. The cubic root of 543380 is about 81.6020776736.

Adding to 543380 its sum of digits (23), we get a triangular number (543403 = T₁₀₄₂).

The spelling of 543380 in words is "five hundred forty-three thousand, three hundred eighty".