389089 has 2 divisors, whose sum is σ = 389090. Its totient is φ = 389088.

The previous prime is 389083. The next prime is 389099. The reversal of 389089 is 980983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321489 + 67600 = 567^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 389089 - 2⁵ = 389057 is a prime.

389089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (389083) by changing a digit.

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 as a sum of consecutive naturals, namely, 194544 + 194545.

It is an arithmetic number, because the mean of its divisors is an integer number (194545).

2³⁸⁹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

389089 is a deficient number, since it is larger than the sum of its proper divisors (1).

389089 is an equidigital number, since it uses as much as digits as its factorization.

389089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 389089 is about 623.7699896597. The cubic root of 389089 is about 73.0045033814.

The spelling of 389089 in words is "three hundred eighty-nine thousand, eighty-nine".