194414609 has 8 divisors (see below), whose sum is σ = 200847360. Its totient is φ = 187992000.

The previous prime is 194414599. The next prime is 194414621. The reversal of 194414609 is 906414491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194414609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194414509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68009 + ... + 70809.

It is an arithmetic number, because the mean of its divisors is an integer number (25105920).

Almost surely, 2^194414609 is an apocalyptic number.

It is an amenable number.

194414609 is a deficient number, since it is larger than the sum of its proper divisors (6432751).

194414609 is a wasteful number, since it uses less digits than its factorization.

194414609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 194414609 is about 13943.2639292240. The cubic root of 194414609 is about 579.3081415464.

The spelling of 194414609 in words is "one hundred ninety-four million, four hundred fourteen thousand, six hundred nine".