24039 has 6 divisors (see below), whose sum is σ = 34736. Its totient is φ = 16020.

The previous prime is 24029. The next prime is 24043. The reversal of 24039 is 93042.

It is not a de Polignac number, because 24039 - 2⁴ = 24023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24019) 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 5 ways as a sum of consecutive naturals, for example, 1327 + ... + 1344.

2²⁴⁰³⁹ is an apocalyptic number.

24039 is a deficient number, since it is larger than the sum of its proper divisors (10697).

24039 is a wasteful number, since it uses less digits than its factorization.

24039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 24039 is about 155.0451547131. The cubic root of 24039 is about 28.8606073209.

The spelling of 24039 in words is "twenty-four thousand, thirty-nine".