1805104 has 40 divisors (see below), whose sum is σ = 4071168. Its totient is φ = 759360.

The previous prime is 1805093. The next prime is 1805117. The reversal of 1805104 is 4015081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7839 + ... + 8065.

2^1805104 is an apocalyptic number.

1805104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1805104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035584).

1805104 is an abundant number, since it is smaller than the sum of its proper divisors (2266064).

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

1805104 is a wasteful number, since it uses less digits than its factorization.

1805104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1805104 is about 1343.5415884892. The cubic root of 1805104 is about 121.7589075530.

The spelling of 1805104 in words is "one million, eight hundred five thousand, one hundred four".