543947 has 4 divisors (see below), whose sum is σ = 557256. Its totient is φ = 530640.

The previous prime is 543929. The next prime is 543967. The reversal of 543947 is 749345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 543947 - 2⁶ = 543883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6593 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (139314).

2⁵⁴³⁹⁴⁷ is an apocalyptic number.

543947 is a deficient number, since it is larger than the sum of its proper divisors (13309).

543947 is a wasteful number, since it uses less digits than its factorization.

543947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308.

The product of its digits is 15120, while the sum is 32.

The square root of 543947 is about 737.5276266012. The cubic root of 543947 is about 81.6304508772.

The spelling of 543947 in words is "five hundred forty-three thousand, nine hundred forty-seven".