199999332 has 108 divisors (see below), whose sum is σ = 556343424. Its totient is φ = 60540480.

The previous prime is 199999309. The next prime is 199999333. The reversal of 199999332 is 233999991.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (199999333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 431733 + ... + 432195.

It is an arithmetic number, because the mean of its divisors is an integer number (5151328).

Almost surely, 2^199999332 is an apocalyptic number.

199999332 is a gapful number since it is divisible by the number (12) 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 199999332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278171712).

199999332 is an abundant number, since it is smaller than the sum of its proper divisors (356344092).

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

199999332 is a wasteful number, since it uses less digits than its factorization.

199999332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 552 counting only the distinct ones).

The product of its digits is 1062882, while the sum is 54.

The square root of 199999332 is about 14142.1120063447. The cubic root of 199999332 is about 584.8028965606.

The spelling of 199999332 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred thirty-two".