389343 has 8 divisors (see below), whose sum is σ = 522288. Its totient is φ = 257984.

The previous prime is 389303. The next prime is 389357. The reversal of 389343 is 343983.

It is a happy number.

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 389343 - 2¹⁰ = 388319 is a prime.

389343 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 389343.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389343.

It is not an unprimeable number, because it can be changed into a prime (389303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (65286).

2³⁸⁹³⁴³ is an apocalyptic number.

389343 is a deficient number, since it is larger than the sum of its proper divisors (132945).

389343 is a wasteful number, since it uses less digits than its factorization.

389343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793.

The product of its digits is 7776, while the sum is 30.

The square root of 389343 is about 623.9735571320. The cubic root of 389343 is about 73.0203858747.

The spelling of 389343 in words is "three hundred eighty-nine thousand, three hundred forty-three".