199004517 has 6 divisors (see below), whose sum is σ = 287450982. Its totient is φ = 132669672.

The previous prime is 199004513. The next prime is 199004527. The reversal of 199004517 is 715400991.

It can be written as a sum of positive squares in only one way, i.e., 198979236 + 25281 = 14106^2 + 159^2 .

It is not a de Polignac number, because 199004517 - 2² = 199004513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199004513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11055798 + ... + 11055815.

It is an arithmetic number, because the mean of its divisors is an integer number (47908497).

Almost surely, 2^199004517 is an apocalyptic number.

It is an amenable number.

199004517 is a deficient number, since it is larger than the sum of its proper divisors (88446465).

199004517 is a wasteful number, since it uses less digits than its factorization.

199004517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22111619 (or 22111616 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 199004517 is about 14106.8960795775. The cubic root of 199004517 is about 583.8316633808.

The spelling of 199004517 in words is "one hundred ninety-nine million, four thousand, five hundred seventeen".