194108992 has 168 divisors, whose sum is σ = 519123168. Its totient is φ = 70963200.

The previous prime is 194108989. The next prime is 194109023. The reversal of 194108992 is 299801491.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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 in 23 ways as a sum of consecutive naturals, for example, 586267 + ... + 586597.

Almost surely, 2^194108992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194108992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259561584).

194108992 is an abundant number, since it is smaller than the sum of its proper divisors (325014176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194108992 is a wasteful number, since it uses less digits than its factorization.

194108992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 194108992 is about 13932.3003125830. The cubic root of 194108992 is about 579.0044276266.

The spelling of 194108992 in words is "one hundred ninety-four million, one hundred eight thousand, nine hundred ninety-two".