104855 has 8 divisors (see below), whose sum is σ = 128112. Its totient is φ = 82368.

The previous prime is 104851. The next prime is 104869. The reversal of 104855 is 558401.

104855 = T₁₉ + T₂₀ + ... + T₈₅.

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

It is a cyclic number.

It is not a de Polignac number, because 104855 - 2² = 104851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104851) 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, 179 + ... + 491.

It is an arithmetic number, because the mean of its divisors is an integer number (16014).

2¹⁰⁴⁸⁵⁵ is an apocalyptic number.

104855 is a deficient number, since it is larger than the sum of its proper divisors (23257).

104855 is an equidigital number, since it uses as much as digits as its factorization.

104855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 104855 is about 323.8132177660. The cubic root of 104855 is about 47.1552134299.

It can be divided in two parts, 10485 and 5, that multiplied together give a palindrome (52425).

The spelling of 104855 in words is "one hundred four thousand, eight hundred fifty-five".