389065 has 4 divisors (see below), whose sum is σ = 466884. Its totient is φ = 311248.

The previous prime is 389057. The next prime is 389083. The reversal of 389065 is 560983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560983 = 17 ⋅32999.

It can be written as a sum of positive squares in 2 ways, for example, as 284089 + 104976 = 533^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 389065 - 2³ = 389057 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38902 + ... + 38911.

It is an arithmetic number, because the mean of its divisors is an integer number (116721).

2³⁸⁹⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

389065 is a deficient number, since it is larger than the sum of its proper divisors (77819).

389065 is an equidigital number, since it uses as much as digits as its factorization.

389065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77818.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 389065 is about 623.7507515026. The cubic root of 389065 is about 73.0030023160.

The spelling of 389065 in words is "three hundred eighty-nine thousand, sixty-five".