389859 has 4 divisors (see below), whose sum is σ = 519816. Its totient is φ = 259904.

The previous prime is 389849. The next prime is 389867. The reversal of 389859 is 958983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389859 - 2¹⁷ = 258787 is a prime.

It is a D-number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 389859.

It is not an unprimeable number, because it can be changed into a prime (389819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64974 + ... + 64979.

It is an arithmetic number, because the mean of its divisors is an integer number (129954).

2³⁸⁹⁸⁵⁹ is an apocalyptic number.

389859 is a deficient number, since it is larger than the sum of its proper divisors (129957).

389859 is a wasteful number, since it uses less digits than its factorization.

389859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129956.

The product of its digits is 77760, while the sum is 42.

The square root of 389859 is about 624.3868992860. The cubic root of 389859 is about 73.0526298396.

The spelling of 389859 in words is "three hundred eighty-nine thousand, eight hundred fifty-nine".