199505092 has 12 divisors (see below), whose sum is σ = 367509520. Its totient is φ = 94502376.

The previous prime is 199505087. The next prime is 199505107. The reversal of 199505092 is 290505991.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312458 + ... + 1312609.

Almost surely, 2^199505092 is an apocalyptic number.

It is an amenable number.

199505092 is a deficient number, since it is larger than the sum of its proper divisors (168004428).

199505092 is a wasteful number, since it uses less digits than its factorization.

199505092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625090 (or 2625088 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 199505092 is about 14124.6271455214. The cubic root of 199505092 is about 584.3207759538.

The spelling of 199505092 in words is "one hundred ninety-nine million, five hundred five thousand, ninety-two".