198692208 has 120 divisors (see below), whose sum is σ = 653343600. Its totient is φ = 55572480.

The previous prime is 198692201. The next prime is 198692227. The reversal of 198692208 is 802296891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198692201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15768 + ... + 25416.

It is an arithmetic number, because the mean of its divisors is an integer number (5444530).

Almost surely, 2^198692208 is an apocalyptic number.

198692208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198692208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326671800).

198692208 is an abundant number, since it is smaller than the sum of its proper divisors (454651392).

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

198692208 is a wasteful number, since it uses less digits than its factorization.

198692208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9687 (or 9678 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 198692208 is about 14095.8223598341. The cubic root of 198692208 is about 583.5260901668.

The spelling of 198692208 in words is "one hundred ninety-eight million, six hundred ninety-two thousand, two hundred eight".