389493 has 12 divisors (see below), whose sum is σ = 606060. Its totient is φ = 239616.

The previous prime is 389483. The next prime is 389507. The reversal of 389493 is 394983.

It can be written as a sum of positive squares in 2 ways, for example, as 101124 + 288369 = 318^2 + 537^2 .

It is not a de Polignac number, because 389493 - 2⁵ = 389461 is a prime.

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 389493.

It is not an unprimeable number, because it can be changed into a prime (389483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1548 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (50505).

2³⁸⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

389493 is a deficient number, since it is larger than the sum of its proper divisors (216567).

389493 is a wasteful number, since it uses less digits than its factorization.

389493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348 (or 3345 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 389493 is about 624.0937429585. The cubic root of 389493 is about 73.0297620559.

The spelling of 389493 in words is "three hundred eighty-nine thousand, four hundred ninety-three".