543439 has 8 divisors (see below), whose sum is σ = 619920. Its totient is φ = 471936.

The previous prime is 543427. The next prime is 543463. The reversal of 543439 is 934345.

543439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543439 - 2⁵ = 543407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009 + ... + 1450.

It is an arithmetic number, because the mean of its divisors is an integer number (77490).

2⁵⁴³⁴³⁹ is an apocalyptic number.

543439 is a deficient number, since it is larger than the sum of its proper divisors (76481).

543439 is a wasteful number, since it uses less digits than its factorization.

543439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its digits is 6480, while the sum is 28.

The square root of 543439 is about 737.1831522763. The cubic root of 543439 is about 81.6050310079.

The spelling of 543439 in words is "five hundred forty-three thousand, four hundred thirty-nine".