804280000 has 70 divisors (see below), whose sum is σ = 1994452196. Its totient is φ = 321696000.

The previous prime is 804279991. The next prime is 804280003. The reversal of 804280000 is 82408.

804280000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (804280003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 29947 + ... + 50053.

Almost surely, 2^804280000 is an apocalyptic number.

804280000 is a gapful number since it is divisible by the number (80) 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 804280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997226098).

804280000 is an abundant number, since it is smaller than the sum of its proper divisors (1190172196).

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

804280000 is an equidigital number, since it uses as much as digits as its factorization.

804280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20139 (or 20114 counting only the distinct ones).

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

The square root of 804280000 is about 28359.8307470267. The cubic root of 804280000 is about 929.9703231753.

The spelling of 804280000 in words is "eight hundred four million, two hundred eighty thousand".