804804400 has 30 divisors (see below), whose sum is σ = 1933543532. Its totient is φ = 321921600.

The previous prime is 804804367. The next prime is 804804401. The reversal of 804804400 is 4408408.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (804804401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1005606 + ... + 1006405.

Almost surely, 2^804804400 is an apocalyptic number.

804804400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804804400 is an abundant number, since it is smaller than the sum of its proper divisors (1128739132).

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

804804400 is a wasteful number, since it uses less digits than its factorization.

804804400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012029 (or 2012018 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 804804400 is about 28369.0747117350. The cubic root of 804804400 is about 930.1723964522.

The spelling of 804804400 in words is "eight hundred four million, eight hundred four thousand, four hundred".