389573 has 4 divisors (see below), whose sum is σ = 400140. Its totient is φ = 379008.

The previous prime is 389569. The next prime is 389579. The reversal of 389573 is 375983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 332929 + 56644 = 577^2 + 238^2 .

It is a cyclic number.

It is not a de Polignac number, because 389573 - 2² = 389569 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 (389579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5228 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (100035).

2³⁸⁹⁵⁷³ is an apocalyptic number.

It is an amenable number.

389573 is a deficient number, since it is larger than the sum of its proper divisors (10567).

389573 is a wasteful number, since it uses less digits than its factorization.

389573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566.

The product of its digits is 22680, while the sum is 35.

The square root of 389573 is about 624.1578326033. The cubic root of 389573 is about 73.0347617016.

The spelling of 389573 in words is "three hundred eighty-nine thousand, five hundred seventy-three".