199129344 has 72 divisors (see below), whose sum is σ = 532600992. Its totient is φ = 66048000.

The previous prime is 199129289. The next prime is 199129361. The reversal of 199129344 is 443921991.

199129344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 199129296 and 199129305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192252 + ... + 193284.

It is an arithmetic number, because the mean of its divisors is an integer number (7397236).

Almost surely, 2^199129344 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 199129344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266300496).

199129344 is an abundant number, since it is smaller than the sum of its proper divisors (333471648).

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

199129344 is a wasteful number, since it uses less digits than its factorization.

199129344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1289 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 199129344 is about 14111.3197114940. The cubic root of 199129344 is about 583.9537087221.

The spelling of 199129344 in words is "one hundred ninety-nine million, one hundred twenty-nine thousand, three hundred forty-four".