194421198 has 8 divisors (see below), whose sum is σ = 388842408. Its totient is φ = 64807064.

The previous prime is 194421179. The next prime is 194421211. The reversal of 194421198 is 891124491.

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

194421198 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16201761 + ... + 16201772.

It is an arithmetic number, because the mean of its divisors is an integer number (48605301).

Almost surely, 2^194421198 is an apocalyptic number.

194421198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

194421198 is a wasteful number, since it uses less digits than its factorization.

194421198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32403538.

The product of its digits is 20736, while the sum is 39.

The square root of 194421198 is about 13943.5002061893. The cubic root of 194421198 is about 579.3146860104.

The spelling of 194421198 in words is "one hundred ninety-four million, four hundred twenty-one thousand, one hundred ninety-eight".