199283447 has 16 divisors (see below), whose sum is σ = 226713600. Its totient is φ = 173507040.

The previous prime is 199283437. The next prime is 199283449. The reversal of 199283447 is 744382991.

It is a cyclic number.

It is not a de Polignac number, because 199283447 - 2¹² = 199279351 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 (199283449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38054 + ... + 42972.

It is an arithmetic number, because the mean of its divisors is an integer number (14169600).

Almost surely, 2^199283447 is an apocalyptic number.

199283447 is a deficient number, since it is larger than the sum of its proper divisors (27430153).

199283447 is a wasteful number, since it uses less digits than its factorization.

199283447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086.

The product of its digits is 435456, while the sum is 47.

The square root of 199283447 is about 14116.7789173026. The cubic root of 199283447 is about 584.1043073445.

The spelling of 199283447 in words is "one hundred ninety-nine million, two hundred eighty-three thousand, four hundred forty-seven".