805180 has 24 divisors (see below), whose sum is σ = 1709568. Its totient is φ = 318528.

The previous prime is 805177. The next prime is 805187. The reversal of 805180 is 81508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805187) 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, 2382 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (71232).

2⁸⁰⁵¹⁸⁰ is an apocalyptic number.

It is an amenable number.

805180 is an abundant number, since it is smaller than the sum of its proper divisors (904388).

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

805180 is a wasteful number, since it uses less digits than its factorization.

805180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 805180 is about 897.3182267178. The cubic root of 805180 is about 93.0317076914.

Adding to 805180 its reverse (81508), we get a palindrome (886688).

The spelling of 805180 in words is "eight hundred five thousand, one hundred eighty".