389030 has 8 divisors (see below), whose sum is σ = 700272. Its totient is φ = 155608.

The previous prime is 389029. The next prime is 389041. The reversal of 389030 is 30983.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 388987 and 389005.

It is a congruent 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, 19442 + ... + 19461.

It is an arithmetic number, because the mean of its divisors is an integer number (87534).

2³⁸⁹⁰³⁰ is an apocalyptic number.

389030 is a deficient number, since it is larger than the sum of its proper divisors (311242).

389030 is a wasteful number, since it uses less digits than its factorization.

389030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38910.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 389030 is about 623.7226947931. The cubic root of 389030 is about 73.0008131516. Note that the first 3 decimals are identical.

The spelling of 389030 in words is "three hundred eighty-nine thousand, thirty".