104439 has 8 divisors (see below), whose sum is σ = 143872. Its totient is φ = 67320.

The previous prime is 104417. The next prime is 104459. The reversal of 104439 is 934401.

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

It is not a de Polignac number, because 104439 - 2⁷ = 104311 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 (104459) 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 7 ways as a sum of consecutive naturals, for example, 469 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (17984).

2¹⁰⁴⁴³⁹ is an apocalyptic number.

104439 is a deficient number, since it is larger than the sum of its proper divisors (39433).

104439 is a wasteful number, since it uses less digits than its factorization.

104439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 104439 is about 323.1702337778. The cubic root of 104439 is about 47.0927698387.

The spelling of 104439 in words is "one hundred four thousand, four hundred thirty-nine".