194516404 has 6 divisors (see below), whose sum is σ = 340403714. Its totient is φ = 97258200.

The previous prime is 194516383. The next prime is 194516447. The reversal of 194516404 is 404615491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 185504400 + 9012004 = 13620^2 + 3002^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194516404.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24314547 + ... + 24314554.

Almost surely, 2^194516404 is an apocalyptic number.

It is an amenable number.

194516404 is a deficient number, since it is larger than the sum of its proper divisors (145887310).

194516404 is a wasteful number, since it uses less digits than its factorization.

194516404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48629105 (or 48629103 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 194516404 is about 13946.9137804749. The cubic root of 194516404 is about 579.4092319999.

The spelling of 194516404 in words is "one hundred ninety-four million, five hundred sixteen thousand, four hundred four".