809080 has 32 divisors (see below), whose sum is σ = 1846800. Its totient is φ = 318976.

The previous prime is 809063. The next prime is 809087. The reversal of 809080 is 80908.

It is a super-2 number, since 2×809080² = 1309220892800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809087) 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, 4431 + ... + 4609.

2⁸⁰⁹⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

809080 is an abundant number, since it is smaller than the sum of its proper divisors (1037720).

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

809080 is a wasteful number, since it uses less digits than its factorization.

809080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 809080 is about 899.4887436761. The cubic root of 809080 is about 93.1816697851.

Adding to 809080 its reverse (80908), we get a palindrome (889988).

The spelling of 809080 in words is "eight hundred nine thousand, eighty".