199802196 has 72 divisors (see below), whose sum is σ = 574951104. Its totient is φ = 57911040.

The previous prime is 199802189. The next prime is 199802201. The reversal of 199802196 is 691208991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1861 + ... + 20076.

It is an arithmetic number, because the mean of its divisors is an integer number (7985432).

Almost surely, 2^199802196 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 199802196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287475552).

199802196 is an abundant number, since it is smaller than the sum of its proper divisors (375148908).

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

199802196 is a wasteful number, since it uses less digits than its factorization.

199802196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21981 (or 21976 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 199802196 is about 14135.1404662281. The cubic root of 199802196 is about 584.6106899136.

The spelling of 199802196 in words is "one hundred ninety-nine million, eight hundred two thousand, one hundred ninety-six".