389539 has 2 divisors, whose sum is σ = 389540. Its totient is φ = 389538.

The previous prime is 389533. The next prime is 389561. The reversal of 389539 is 935983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389539 - 2³ = 389531 is a prime.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 389498 and 389507.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 194769 + 194770.

It is an arithmetic number, because the mean of its divisors is an integer number (194770).

2³⁸⁹⁵³⁹ is an apocalyptic number.

389539 is a deficient number, since it is larger than the sum of its proper divisors (1).

389539 is an equidigital number, since it uses as much as digits as its factorization.

389539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 389539 is about 624.1305953084. The cubic root of 389539 is about 73.0326369358.

The spelling of 389539 in words is "three hundred eighty-nine thousand, five hundred thirty-nine".