104865 has 8 divisors (see below), whose sum is σ = 167808. Its totient is φ = 55920.

The previous prime is 104851. The next prime is 104869. The reversal of 104865 is 568401.

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

It is not a de Polignac number, because 104865 - 2⁴ = 104849 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (104869) 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, 3481 + ... + 3510.

It is an arithmetic number, because the mean of its divisors is an integer number (20976).

2¹⁰⁴⁸⁶⁵ is an apocalyptic number.

104865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104865 is a deficient number, since it is larger than the sum of its proper divisors (62943).

104865 is an equidigital number, since it uses as much as digits as its factorization.

104865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 104865 is about 323.8286583982. The cubic root of 104865 is about 47.1567124433.

It can be divided in two parts, 104 and 865, that added together give a palindrome (969).

The spelling of 104865 in words is "one hundred four thousand, eight hundred sixty-five".