39005 has 8 divisors (see below), whose sum is σ = 48600. Its totient is φ = 30016.

The previous prime is 38993. The next prime is 39019. The reversal of 39005 is 50093.

39005 is nontrivially palindromic in base 14.

39005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 38809 = 14^2 + 197^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 39005 - 2⁸ = 38749 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11 + ... + 279.

It is an arithmetic number, because the mean of its divisors is an integer number (6075).

2³⁹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

39005 is a deficient number, since it is larger than the sum of its proper divisors (9595).

39005 is a wasteful number, since it uses less digits than its factorization.

39005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 39005 is about 197.4968354177. The cubic root of 39005 is about 33.9135636039.

Adding to 39005 its reverse (50093), we get a palindrome (89098).

The spelling of 39005 in words is "thirty-nine thousand, five".