199834968 has 32 divisors (see below), whose sum is σ = 500659200. Its totient is φ = 66468768.

The previous prime is 199834939. The next prime is 199834979. The reversal of 199834968 is 869438991.

It is a super-2 number, since 2×199834968² = 79868028871122048, which contains 22 as substring.

It is a congruent number.

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, 2805 + ... + 20187.

It is an arithmetic number, because the mean of its divisors is an integer number (15645600).

Almost surely, 2^199834968 is an apocalyptic number.

It is an amenable number.

199834968 is an abundant number, since it is smaller than the sum of its proper divisors (300824232).

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

199834968 is a wasteful number, since it uses less digits than its factorization.

199834968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17871 (or 17867 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 199834968 is about 14136.2996572653. The cubic root of 199834968 is about 584.6426512142.

The spelling of 199834968 in words is "one hundred ninety-nine million, eight hundred thirty-four thousand, nine hundred sixty-eight".