104817 has 4 divisors (see below), whose sum is σ = 139760. Its totient is φ = 69876.

The previous prime is 104803. The next prime is 104827. The reversal of 104817 is 718401.

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 not a de Polignac number, because 104817 - 2⁴ = 104801 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104793 and 104802.

It is not an unprimeable number, because it can be changed into a prime (104827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17467 + ... + 17472.

It is an arithmetic number, because the mean of its divisors is an integer number (34940).

2¹⁰⁴⁸¹⁷ is an apocalyptic number.

It is an amenable number.

104817 is a deficient number, since it is larger than the sum of its proper divisors (34943).

104817 is an equidigital number, since it uses as much as digits as its factorization.

104817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34942.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 104817 is about 323.7545366478. The cubic root of 104817 is about 47.1495163097.

The spelling of 104817 in words is "one hundred four thousand, eight hundred seventeen".