389530 has 8 divisors (see below), whose sum is σ = 701172. Its totient is φ = 155808.

The previous prime is 389527. The next prime is 389531. The reversal of 389530 is 35983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 363609 + 25921 = 603^2 + 161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (389531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19467 + ... + 19486.

2³⁸⁹⁵³⁰ is an apocalyptic number.

389530 is a deficient number, since it is larger than the sum of its proper divisors (311642).

389530 is a wasteful number, since it uses less digits than its factorization.

389530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38960.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 389530 is about 624.1233852372. The cubic root of 389530 is about 73.0320744771.

It can be divided in two parts, 389 and 530, that added together give a palindrome (919).

The spelling of 389530 in words is "three hundred eighty-nine thousand, five hundred thirty".