198204916 has 48 divisors (see below), whose sum is σ = 428158080. Its totient is φ = 78180480.

The previous prime is 198204901. The next prime is 198204983. The reversal of 198204916 is 619402891.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178170 + ... + 179278.

It is an arithmetic number, because the mean of its divisors is an integer number (8919960).

Almost surely, 2^198204916 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 198204916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214079040).

198204916 is an abundant number, since it is smaller than the sum of its proper divisors (229953164).

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

198204916 is a wasteful number, since it uses less digits than its factorization.

198204916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 198204916 is about 14078.5267695168. The cubic root of 198204916 is about 583.0486677095.

The spelling of 198204916 in words is "one hundred ninety-eight million, two hundred four thousand, nine hundred sixteen".