299799999 has 24 divisors (see below), whose sum is σ = 458412240. Its totient is φ = 188479872.

The previous prime is 299799989. The next prime is 299800003. The reversal of 299799999 is 999997992.

It is not a de Polignac number, because 299799999 - 2⁵ = 299799967 is a prime.

299799999 is a modest number, since divided by 99999 gives 2997 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299799949) 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 23 ways as a sum of consecutive naturals, for example, 2134 + ... + 24579.

It is an arithmetic number, because the mean of its divisors is an integer number (19100510).

Almost surely, 2^299799999 is an apocalyptic number.

299799999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

299799999 is a deficient number, since it is larger than the sum of its proper divisors (158612241).

299799999 is a wasteful number, since it uses less digits than its factorization.

299799999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26791 (or 26788 counting only the distinct ones).

The product of its digits is 66961566, while the sum is 72.

The square root of 299799999 is about 17314.7335815484. The cubic root of 299799999 is about 669.2841533896.

The spelling of 299799999 in words is "two hundred ninety-nine million, seven hundred ninety-nine thousand, nine hundred ninety-nine".