199823208 has 64 divisors (see below), whose sum is σ = 542203200. Its totient is φ = 61002240.

The previous prime is 199823191. The next prime is 199823213. The reversal of 199823208 is 802328991.

It is a super-2 number, since 2×199823208² = 79858628910822528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199823208.

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, 38428 + ... + 43316.

It is an arithmetic number, because the mean of its divisors is an integer number (8471925).

Almost surely, 2^199823208 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 199823208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271101600).

199823208 is an abundant number, since it is smaller than the sum of its proper divisors (342379992).

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

199823208 is a wasteful number, since it uses less digits than its factorization.

199823208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042 (or 5038 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 199823208 is about 14135.8837007100. The cubic root of 199823208 is about 584.6311825300.

The spelling of 199823208 in words is "one hundred ninety-nine million, eight hundred twenty-three thousand, two hundred eight".