389015 has 12 divisors (see below), whose sum is σ = 513912. Its totient is φ = 282480.

The previous prime is 389003. The next prime is 389023. The reversal of 389015 is 510983.

It is not a de Polignac number, because 389015 - 2¹² = 384919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (42826).

2³⁸⁹⁰¹⁵ is an apocalyptic number.

389015 is a deficient number, since it is larger than the sum of its proper divisors (124897).

389015 is a wasteful number, since it uses less digits than its factorization.

389015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 389015 is about 623.7106701027. The cubic root of 389015 is about 72.9998748981. Note that the first 3 decimals are identical.

Adding to 389015 its reverse (510983), we get a palindrome (899998).

The spelling of 389015 in words is "three hundred eighty-nine thousand, fifteen".