104039 has 8 divisors (see below), whose sum is σ = 114912. Its totient is φ = 93600.

The previous prime is 104033. The next prime is 104047. The reversal of 104039 is 930401.

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

It is a de Polignac number, because none of the positive numbers 2^k-104039 is a prime.

It is a super-2 number, since 2×104039² = 21648227042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614 + ... + 764.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2¹⁰⁴⁰³⁹ is an apocalyptic number.

104039 is a deficient number, since it is larger than the sum of its proper divisors (10873).

104039 is a wasteful number, since it uses less digits than its factorization.

104039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 104039 is about 322.5507711973. The cubic root of 104039 is about 47.0325713565.

The spelling of 104039 in words is "one hundred four thousand, thirty-nine".