389512 has 16 divisors (see below), whose sum is σ = 737100. Its totient is φ = 192960.

The previous prime is 389507. The next prime is 389513. The reversal of 389512 is 215983.

389512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 264196 + 125316 = 514^2 + 354^2 .

It is not an unprimeable number, because it can be changed into a prime (389513) by changing a digit.

389512 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314 + ... + 1582.

2³⁸⁹⁵¹² is an apocalyptic number.

It is an amenable number.

389512 is a deficient number, since it is larger than the sum of its proper divisors (347588).

389512 is a wasteful number, since it uses less digits than its factorization.

389512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 452 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 389512 is about 624.1089648451. The cubic root of 389512 is about 73.0309495337.

The spelling of 389512 in words is "three hundred eighty-nine thousand, five hundred twelve".