199030249 has 8 divisors (see below), whose sum is σ = 217834848. Its totient is φ = 180344160.

The previous prime is 199030241. The next prime is 199030283. The reversal of 199030249 is 942030991.

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 199030249 - 2³ = 199030241 is a prime.

It is a super-2 number, since 2×199030249² = 79226080034004002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199030241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26092 + ... + 32845.

It is an arithmetic number, because the mean of its divisors is an integer number (27229356).

Almost surely, 2^199030249 is an apocalyptic number.

It is an amenable number.

199030249 is a deficient number, since it is larger than the sum of its proper divisors (18804599).

199030249 is a wasteful number, since it uses less digits than its factorization.

199030249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59255.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 199030249 is about 14107.8080863045. The cubic root of 199030249 is about 583.8568261411.

The spelling of 199030249 in words is "one hundred ninety-nine million, thirty thousand, two hundred forty-nine".