199487299 has 8 divisors (see below), whose sum is σ = 230424048. Its totient is φ = 170684160.

The previous prime is 199487293. The next prime is 199487311. The reversal of 199487299 is 992784991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199487299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199487293) 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, 533202 + ... + 533575.

It is an arithmetic number, because the mean of its divisors is an integer number (28803006).

Almost surely, 2^199487299 is an apocalyptic number.

199487299 is a deficient number, since it is larger than the sum of its proper divisors (30936749).

199487299 is a wasteful number, since it uses less digits than its factorization.

199487299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066805.

The product of its digits is 2939328, while the sum is 58.

The square root of 199487299 is about 14123.9972741430. The cubic root of 199487299 is about 584.3034044194.

The spelling of 199487299 in words is "one hundred ninety-nine million, four hundred eighty-seven thousand, two hundred ninety-nine".