194004395 has 12 divisors (see below), whose sum is σ = 252092016. Its totient is φ = 143264160.

The previous prime is 194004373. The next prime is 194004397. The reversal of 194004395 is 593400491.

It is not a de Polignac number, because 194004395 - 2²⁴ = 177227179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194004397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113951 + ... + 115640.

It is an arithmetic number, because the mean of its divisors is an integer number (21007668).

Almost surely, 2^194004395 is an apocalyptic number.

194004395 is a deficient number, since it is larger than the sum of its proper divisors (58087621).

194004395 is a wasteful number, since it uses less digits than its factorization.

194004395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229622 (or 229609 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 194004395 is about 13928.5460475959. The cubic root of 194004395 is about 578.9004087335.

The spelling of 194004395 in words is "one hundred ninety-four million, four thousand, three hundred ninety-five".