389634 has 16 divisors (see below), whose sum is σ = 890688. Its totient is φ = 111312.

The previous prime is 389629. The next prime is 389651. The reversal of 389634 is 436983.

389634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 389595 and 389604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4597 + ... + 4680.

It is an arithmetic number, because the mean of its divisors is an integer number (55668).

2³⁸⁹⁶³⁴ is an apocalyptic number.

389634 is an abundant number, since it is smaller than the sum of its proper divisors (501054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389634 is a wasteful number, since it uses less digits than its factorization.

389634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289.

The product of its digits is 15552, while the sum is 33.

The square root of 389634 is about 624.2066965357. The cubic root of 389634 is about 73.0385734716.

The spelling of 389634 in words is "three hundred eighty-nine thousand, six hundred thirty-four".