389384 has 8 divisors (see below), whose sum is σ = 730110. Its totient is φ = 194688.
The previous prime is 389381. The next prime is 389399. The reversal of 389384 is 483983.
389384 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 only one way, i.e., 386884 + 2500 = 622^2 + 50^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (389381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24329 + ... + 24344.
2389384 is an apocalyptic number.
It is an amenable number.
389384 is a deficient number, since it is larger than the sum of its proper divisors (340726).
389384 is a wasteful number, since it uses less digits than its factorization.
389384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48679 (or 48675 counting only the distinct ones).
The product of its digits is 20736, while the sum is 35.
The square root of 389384 is about 624.0064102235. The cubic root of 389384 is about 73.0229489367.
The spelling of 389384 in words is "three hundred eighty-nine thousand, three hundred eighty-four".
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