804945800 has 24 divisors (see below), whose sum is σ = 1871499450. Its totient is φ = 321978240.

The previous prime is 804945797. The next prime is 804945847. The reversal of 804945800 is 8549408.

It can be written as a sum of positive squares in 3 ways, for example, as 733001476 + 71944324 = 27074^2 + 8482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2012165 + ... + 2012564.

Almost surely, 2^804945800 is an apocalyptic number.

It is an amenable number.

804945800 is an abundant number, since it is smaller than the sum of its proper divisors (1066553650).

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

804945800 is a wasteful number, since it uses less digits than its factorization.

804945800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024745 (or 4024736 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 804945800 is about 28371.5667526487. The cubic root of 804945800 is about 930.2268687666.

The spelling of 804945800 in words is "eight hundred four million, nine hundred forty-five thousand, eight hundred".