299899 has 4 divisors (see below), whose sum is σ = 301000. Its totient is φ = 298800.

The previous prime is 299891. The next prime is 299903. The reversal of 299899 is 998992.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 299899 - 2³ = 299891 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (299891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199 + ... + 799.

It is an arithmetic number, because the mean of its divisors is an integer number (75250).

2²⁹⁹⁸⁹⁹ is an apocalyptic number.

299899 is a deficient number, since it is larger than the sum of its proper divisors (1101).

299899 is an equidigital number, since it uses as much as digits as its factorization.

299899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its digits is 104976, while the sum is 46.

The square root of 299899 is about 547.6303497798. The cubic root of 299899 is about 66.9357816397.

The spelling of 299899 in words is "two hundred ninety-nine thousand, eight hundred ninety-nine".