543964 has 12 divisors (see below), whose sum is σ = 957600. Its totient is φ = 270368.

The previous prime is 543929. The next prime is 543967. The reversal of 543964 is 469345.

Its product of digits (12960) is a multiple of the sum of its prime divisors (810).

It is a congruent 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, 672 + ... + 1240.

It is an arithmetic number, because the mean of its divisors is an integer number (79800).

2⁵⁴³⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

543964 is a deficient number, since it is larger than the sum of its proper divisors (413636).

543964 is a wasteful number, since it uses less digits than its factorization.

543964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 543964 is about 737.5391515032. The cubic root of 543964 is about 81.6313012684.

The spelling of 543964 in words is "five hundred forty-three thousand, nine hundred sixty-four".