543944 has 8 divisors (see below), whose sum is σ = 1019910. Its totient is φ = 271968.

The previous prime is 543929. The next prime is 543967. The reversal of 543944 is 449345.

It can be written as a sum of positive squares in only one way, i.e., 407044 + 136900 = 638^2 + 370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 543944.

It is an unprimeable 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, 33989 + ... + 34004.

2⁵⁴³⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

543944 is a deficient number, since it is larger than the sum of its proper divisors (475966).

543944 is a wasteful number, since it uses less digits than its factorization.

543944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67999 (or 67995 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 543944 is about 737.5255927763. The cubic root of 543944 is about 81.6303008064.

The spelling of 543944 in words is "five hundred forty-three thousand, nine hundred forty-four".