804621194 has 12 divisors (see below), whose sum is σ = 1300006386. Its totient is φ = 371296872.

The previous prime is 804621179. The next prime is 804621199. The reversal of 804621194 is 491126408.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 773674225 + 30946969 = 27815^2 + 5563^2 .

It is not an unprimeable number, because it can be changed into a prime (804621199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141857 + ... + 147419.

Almost surely, 2^804621194 is an apocalyptic number.

804621194 is a deficient number, since it is larger than the sum of its proper divisors (495385192).

804621194 is an frugal number, since it uses more digits than its factorization.

804621194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141 (or 5578 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 804621194 is about 28365.8455541167. The cubic root of 804621194 is about 930.1018094886.

The spelling of 804621194 in words is "eight hundred four million, six hundred twenty-one thousand, one hundred ninety-four".