804194319 has 4 divisors (see below), whose sum is σ = 1072259096. Its totient is φ = 536129544.

The previous prime is 804194243. The next prime is 804194329. The reversal of 804194319 is 913491408.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 804194319 - 2⁷ = 804194191 is a prime.

It is a super-2 number, since 2×804194319² = 1293457005423747522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804194329) 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 3 ways as a sum of consecutive naturals, for example, 134032384 + ... + 134032389.

It is an arithmetic number, because the mean of its divisors is an integer number (268064774).

Almost surely, 2^804194319 is an apocalyptic number.

804194319 is a deficient number, since it is larger than the sum of its proper divisors (268064777).

804194319 is a wasteful number, since it uses less digits than its factorization.

804194319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268064776.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 804194319 is about 28358.3201018678. The cubic root of 804194319 is about 929.9372983510.

The spelling of 804194319 in words is "eight hundred four million, one hundred ninety-four thousand, three hundred nineteen".