199495399 has 8 divisors (see below), whose sum is σ = 209230560. Its totient is φ = 189848736.

The previous prime is 199495363. The next prime is 199495403. The reversal of 199495399 is 993594991.

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

It is a cyclic number.

It is not a de Polignac number, because 199495399 - 2⁷ = 199495271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199415399) 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, 17484 + ... + 26545.

It is an arithmetic number, because the mean of its divisors is an integer number (26153820).

Almost surely, 2^199495399 is an apocalyptic number.

199495399 is a deficient number, since it is larger than the sum of its proper divisors (9735161).

199495399 is a wasteful number, since it uses less digits than its factorization.

199495399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44249.

The product of its digits is 3542940, while the sum is 58.

The square root of 199495399 is about 14124.2840172520. The cubic root of 199495399 is about 584.3113126815.

The spelling of 199495399 in words is "one hundred ninety-nine million, four hundred ninety-five thousand, three hundred ninety-nine".