804180 has 48 divisors (see below), whose sum is σ = 2427264. Its totient is φ = 197760.

The previous prime is 804179. The next prime is 804191. The reversal of 804180 is 81408.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (50568).

2⁸⁰⁴¹⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1213632).

804180 is an abundant number, since it is smaller than the sum of its proper divisors (1623084).

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

804180 is a wasteful number, since it uses less digits than its factorization.

804180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 804180 is about 896.7608376819. The cubic root of 804180 is about 92.9931779017.

Adding to 804180 its reverse (81408), we get a palindrome (885588).

The spelling of 804180 in words is "eight hundred four thousand, one hundred eighty".