389085 has 8 divisors (see below), whose sum is σ = 622560. Its totient is φ = 207504.

The previous prime is 389083. The next prime is 389089. The reversal of 389085 is 580983.

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

It is not a de Polignac number, because 389085 - 2¹ = 389083 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12955 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (77820).

2³⁸⁹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

389085 is a deficient number, since it is larger than the sum of its proper divisors (233475).

389085 is a wasteful number, since it uses less digits than its factorization.

389085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25947.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 389085 is about 623.7667833413. The cubic root of 389085 is about 73.0042532081.

The spelling of 389085 in words is "three hundred eighty-nine thousand, eighty-five".