199999334 has 16 divisors (see below), whose sum is σ = 302279040. Its totient is φ = 99242880.

The previous prime is 199999333. The next prime is 199999337. The reversal of 199999334 is 433999991.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 199999334.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226574 + ... + 227454.

It is an arithmetic number, because the mean of its divisors is an integer number (18892440).

Almost surely, 2^199999334 is an apocalyptic number.

199999334 is a deficient number, since it is larger than the sum of its proper divisors (102279706).

199999334 is a wasteful number, since it uses less digits than its factorization.

199999334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its digits is 2125764, while the sum is 56.

The square root of 199999334 is about 14142.1120770555. The cubic root of 199999334 is about 584.8028985099.

The spelling of 199999334 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred thirty-four".