389543 has 8 divisors (see below), whose sum is σ = 485760. Its totient is φ = 303480.

The previous prime is 389539. The next prime is 389561. The reversal of 389543 is 345983.

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 389543 - 2² = 389539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389513) 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, 2453 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (60720).

2³⁸⁹⁵⁴³ is an apocalyptic number.

389543 is a deficient number, since it is larger than the sum of its proper divisors (96217).

389543 is a wasteful number, since it uses less digits than its factorization.

389543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077.

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

The square root of 389543 is about 624.1337997577. The cubic root of 389543 is about 73.0328869147.

The spelling of 389543 in words is "three hundred eighty-nine thousand, five hundred forty-three".