804280 has 16 divisors (see below), whose sum is σ = 1809720. Its totient is φ = 321696.

The previous prime is 804259. The next prime is 804281. The reversal of 804280 is 82408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10014 + ... + 10093.

2⁸⁰⁴²⁸⁰ is an apocalyptic number.

It is an amenable number.

804280 is an abundant number, since it is smaller than the sum of its proper divisors (1005440).

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

804280 is a wasteful number, since it uses less digits than its factorization.

804280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20118 (or 20114 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 804280 is about 896.8165921748. The cubic root of 804280 is about 92.9970323175.

Adding to 804280 its reverse (82408), we get a palindrome (886688).

The spelling of 804280 in words is "eight hundred four thousand, two hundred eighty".