805104 has 30 divisors (see below), whose sum is σ = 2253576. Its totient is φ = 268320.

The previous prime is 805099. The next prime is 805109. The reversal of 805104 is 401508.

It is an interprime number because it is at equal distance from previous prime (805099) and next prime (805109).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805104.

It is not an unprimeable number, because it can be changed into a prime (805109) by changing a digit.

805104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2652 + ... + 2939.

2⁸⁰⁵¹⁰⁴ is an apocalyptic number.

It is an amenable number.

805104 is an abundant number, since it is smaller than the sum of its proper divisors (1448472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805104 is a wasteful number, since it uses less digits than its factorization.

805104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605 (or 5596 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 805104 is about 897.2758773086. The cubic root of 805104 is about 93.0287805478.

It can be divided in two parts, 805 and 104, that added together give a palindrome (909).

The spelling of 805104 in words is "eight hundred five thousand, one hundred four".