199384834 has 32 divisors (see below), whose sum is σ = 334103616. Its totient is φ = 88470720.

The previous prime is 199384813. The next prime is 199384847. The reversal of 199384834 is 438483991.

199384834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 357684 + ... + 358240.

It is an arithmetic number, because the mean of its divisors is an integer number (10440738).

Almost surely, 2^199384834 is an apocalyptic number.

199384834 is a deficient number, since it is larger than the sum of its proper divisors (134718782).

199384834 is a wasteful number, since it uses less digits than its factorization.

199384834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930.

The product of its digits is 746496, while the sum is 49.

The square root of 199384834 is about 14120.3694710868. The cubic root of 199384834 is about 584.2033464170.

The spelling of 199384834 in words is "one hundred ninety-nine million, three hundred eighty-four thousand, eight hundred thirty-four".