543808 has 28 divisors (see below), whose sum is σ = 1120140. Its totient is φ = 261632.

The previous prime is 543797. The next prime is 543811. The reversal of 543808 is 808345.

It can be written as a sum of positive squares in 2 ways, for example, as 419904 + 123904 = 648^2 + 352^2 .

It is an unprimeable number.

543808 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (40005).

2⁵⁴³⁸⁰⁸ is an apocalyptic number.

543808 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560070).

543808 is an abundant number, since it is smaller than the sum of its proper divisors (576332).

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

543808 is a wasteful number, since it uses less digits than its factorization.

543808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 543808 is about 737.4333868222. The cubic root of 543808 is about 81.6234970139.

The spelling of 543808 in words is "five hundred forty-three thousand, eight hundred eight".