389584 has 20 divisors (see below), whose sum is σ = 813316. Its totient is φ = 179712.
The previous prime is 389579. The next prime is 389591. The reversal of 389584 is 485983.
It can be written as a sum of positive squares in 2 ways, for example, as 29584 + 360000 = 172^2 + 600^2 .
It is an Ulam number.
It is a plaindrome in base 11.
It is a congruent number.
It is an unprimeable number.
389584 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, 729 + ... + 1144.
2389584 is an apocalyptic number.
It is an amenable number.
389584 is an abundant number, since it is smaller than the sum of its proper divisors (423732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389584 is a wasteful number, since it uses less digits than its factorization.
389584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1894 (or 1888 counting only the distinct ones).
The product of its digits is 34560, while the sum is 37.
The square root of 389584 is about 624.1666444148. The cubic root of 389584 is about 73.0354490994.
The spelling of 389584 in words is "three hundred eighty-nine thousand, five hundred eighty-four".
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