804421192 has 8 divisors (see below), whose sum is σ = 1508289750. Its totient is φ = 402210592.

The previous prime is 804421171. The next prime is 804421207. The reversal of 804421192 is 291124408.

It can be written as a sum of positive squares in only one way, i.e., 721137316 + 83283876 = 26854^2 + 9126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50276317 + ... + 50276332.

Almost surely, 2^804421192 is an apocalyptic number.

It is an amenable number.

804421192 is a deficient number, since it is larger than the sum of its proper divisors (703868558).

804421192 is a wasteful number, since it uses less digits than its factorization.

804421192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100552655 (or 100552651 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 804421192 is about 28362.3199333200. The cubic root of 804421192 is about 930.0247390035.

The spelling of 804421192 in words is "eight hundred four million, four hundred twenty-one thousand, one hundred ninety-two".