389013 has 4 divisors (see below), whose sum is σ = 518688. Its totient is φ = 259340.

The previous prime is 389003. The next prime is 389023. The reversal of 389013 is 310983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (389003) and next prime (389023).

It is a cyclic number.

It is not a de Polignac number, because 389013 - 2⁸ = 388757 is a prime.

It is a super-2 number, since 2×389013² = 302662228338, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389003) by changing a digit.

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, 64833 + ... + 64838.

It is an arithmetic number, because the mean of its divisors is an integer number (129672).

2³⁸⁹⁰¹³ is an apocalyptic number.

It is an amenable number.

389013 is a deficient number, since it is larger than the sum of its proper divisors (129675).

389013 is a wasteful number, since it uses less digits than its factorization.

389013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129674.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 389013 is about 623.7090667932. The cubic root of 389013 is about 72.9997497959. Note that the first 3 decimals are identical.

Adding to 389013 its reverse (310983), we get a palindrome (699996).

The spelling of 389013 in words is "three hundred eighty-nine thousand, thirteen".