543938 has 4 divisors (see below), whose sum is σ = 815910. Its totient is φ = 271968.

The previous prime is 543929. The next prime is 543967. The reversal of 543938 is 839345.

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

It can be written as a sum of positive squares in only one way, i.e., 494209 + 49729 = 703^2 + 223^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 543938.

It is an unprimeable number.

543938 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 as a sum of consecutive naturals, namely, 135983 + ... + 135986.

2⁵⁴³⁹³⁸ is an apocalyptic number.

543938 is a deficient number, since it is larger than the sum of its proper divisors (271972).

543938 is a wasteful number, since it uses less digits than its factorization.

543938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271971.

The product of its digits is 12960, while the sum is 32.

The square root of 543938 is about 737.5215251096. The cubic root of 543938 is about 81.6300006630.

The spelling of 543938 in words is "five hundred forty-three thousand, nine hundred thirty-eight".