543982 has 16 divisors (see below), whose sum is σ = 861840. Its totient is φ = 257152.

The previous prime is 543971. The next prime is 543997. The reversal of 543982 is 289345.

543982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4758 + ... + 4870.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

543982 is a Friedman number, since it can be written as 83*(9^4-5-2), using all its digits and the basic arithmetic operations.

2⁵⁴³⁹⁸² is an apocalyptic number.

543982 is a deficient number, since it is larger than the sum of its proper divisors (317858).

543982 is a wasteful number, since it uses less digits than its factorization.

543982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its digits is 8640, while the sum is 31.

The square root of 543982 is about 737.5513541442. The cubic root of 543982 is about 81.6322016633.

The spelling of 543982 in words is "five hundred forty-three thousand, nine hundred eighty-two".