389593 has 4 divisors (see below), whose sum is σ = 391140. Its totient is φ = 388048.

The previous prime is 389591. The next prime is 389621. The reversal of 389593 is 395983.

389593 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 395983 = 7 ⋅56569.

It can be written as a sum of positive squares in 2 ways, for example, as 219024 + 170569 = 468^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 389593 - 2¹ = 389591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389591) 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, 298 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (97785).

It is a 252-hyperperfect number.

2³⁸⁹⁵⁹³ is an apocalyptic number.

It is an amenable number.

389593 is a deficient number, since it is larger than the sum of its proper divisors (1547).

389593 is a wasteful number, since it uses less digits than its factorization.

389593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546.

The product of its digits is 29160, while the sum is 37.

The square root of 389593 is about 624.1738539862. The cubic root of 389593 is about 73.0360115061.

The spelling of 389593 in words is "three hundred eighty-nine thousand, five hundred ninety-three".