543668 has 12 divisors (see below), whose sum is σ = 957600. Its totient is φ = 270072.

The previous prime is 543661. The next prime is 543671. The reversal of 543668 is 866345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543661) by changing a digit.

543668 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 3 ways as a sum of consecutive naturals, for example, 455 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (79800).

2⁵⁴³⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

543668 is a deficient number, since it is larger than the sum of its proper divisors (413932).

543668 is a wasteful number, since it uses less digits than its factorization.

543668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 884 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 543668 is about 737.3384568839. The cubic root of 543668 is about 81.6164919249.

The spelling of 543668 in words is "five hundred forty-three thousand, six hundred sixty-eight".