389066 has 8 divisors (see below), whose sum is σ = 596160. Its totient is φ = 190348.

The previous prime is 389057. The next prime is 389083. The reversal of 389066 is 660983.

It is a happy number.

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

It is an Ulam 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, 1976 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (74520).

2³⁸⁹⁰⁶⁶ is an apocalyptic number.

389066 is a deficient number, since it is larger than the sum of its proper divisors (207094).

389066 is a wasteful number, since it uses less digits than its factorization.

389066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 389066 is about 623.7515531043. The cubic root of 389066 is about 73.0030648616.

The spelling of 389066 in words is "three hundred eighty-nine thousand, sixty-six".