389544 has 16 divisors (see below), whose sum is σ = 973920. Its totient is φ = 129840.

The previous prime is 389539. The next prime is 389561. The reversal of 389544 is 445983.

It is a super-3 number, since 3×389544³ = 177333511170903552, which contains 333 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389544.

It is an unprimeable number.

389544 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, 8092 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (60870).

2³⁸⁹⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

389544 is an abundant number, since it is smaller than the sum of its proper divisors (584376).

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

389544 is a wasteful number, since it uses less digits than its factorization.

389544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16240 (or 16236 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 389544 is about 624.1346008675. The cubic root of 389544 is about 73.0329494091.

The spelling of 389544 in words is "three hundred eighty-nine thousand, five hundred forty-four".