199999874 has 8 divisors (see below), whose sum is σ = 308108028. Its totient is φ = 97297200.

The previous prime is 199999853. The next prime is 199999889. The reversal of 199999874 is 478999991.

199999874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194742025 + 5257849 = 13955^2 + 2293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 199999874.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351277 + ... + 1351424.

Almost surely, 2^199999874 is an apocalyptic number.

199999874 is a deficient number, since it is larger than the sum of its proper divisors (108108154).

199999874 is a wasteful number, since it uses less digits than its factorization.

199999874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702740.

The product of its digits is 13226976, while the sum is 65.

The square root of 199999874 is about 14142.1311689575. The cubic root of 199999874 is about 584.8034248338.

It can be divided in two parts, 19999987 and 4, that added together give a palindrome (19999991).

The spelling of 199999874 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred seventy-four".