389533 has 2 divisors, whose sum is σ = 389534. Its totient is φ = 389532.

The previous prime is 389531. The next prime is 389539. The reversal of 389533 is 335983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356409 + 33124 = 597^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 389533 - 2¹ = 389531 is a prime.

Together with 389531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 389495 and 389504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194766 + 194767.

It is an arithmetic number, because the mean of its divisors is an integer number (194767).

2³⁸⁹⁵³³ is an apocalyptic number.

It is an amenable number.

389533 is a deficient number, since it is larger than the sum of its proper divisors (1).

389533 is an equidigital number, since it uses as much as digits as its factorization.

389533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 389533 is about 624.1257886035. The cubic root of 389533 is about 73.0322619643.

The spelling of 389533 in words is "three hundred eighty-nine thousand, five hundred thirty-three".