198744996 has 24 divisors (see below), whose sum is σ = 464254560. Its totient is φ = 66174592.

The previous prime is 198744983. The next prime is 198745003. The reversal of 198744996 is 699447891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (19343940).

Almost surely, 2^198744996 is an apocalyptic number.

It is an amenable number.

198744996 is an abundant number, since it is smaller than the sum of its proper divisors (265509564).

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

198744996 is a wasteful number, since it uses less digits than its factorization.

198744996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443 (or 18441 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 198744996 is about 14097.6947051637. The cubic root of 198744996 is about 583.5777621273.

The spelling of 198744996 in words is "one hundred ninety-eight million, seven hundred forty-four thousand, nine hundred ninety-six".