389518 has 8 divisors (see below), whose sum is σ = 594360. Its totient is φ = 191400.

The previous prime is 389513. The next prime is 389527. The reversal of 389518 is 815983.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (74295).

2³⁸⁹⁵¹⁸ is an apocalyptic number.

389518 is a deficient number, since it is larger than the sum of its proper divisors (204842).

389518 is a wasteful number, since it uses less digits than its factorization.

389518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its digits is 8640, while the sum is 34.

The square root of 389518 is about 624.1137716795. The cubic root of 389518 is about 73.0313245187.

The spelling of 389518 in words is "three hundred eighty-nine thousand, five hundred eighteen".