199327873 has 4 divisors (see below), whose sum is σ = 211053060. Its totient is φ = 187602688.

The previous prime is 199327847. The next prime is 199327883. The reversal of 199327873 is 378723991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89245809 + 110082064 = 9447^2 + 10492^2 .

It is a cyclic number.

It is not a de Polignac number, because 199327873 - 2¹⁷ = 199196801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199327883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5862568 + ... + 5862601.

It is an arithmetic number, because the mean of its divisors is an integer number (52763265).

Almost surely, 2^199327873 is an apocalyptic number.

It is an amenable number.

199327873 is a deficient number, since it is larger than the sum of its proper divisors (11725187).

199327873 is a wasteful number, since it uses less digits than its factorization.

199327873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725186.

The product of its digits is 571536, while the sum is 49.

The square root of 199327873 is about 14118.3523472111. The cubic root of 199327873 is about 584.1477086577.

The spelling of 199327873 in words is "one hundred ninety-nine million, three hundred twenty-seven thousand, eight hundred seventy-three".