299929 has 6 divisors (see below), whose sum is σ = 348954. Its totient is φ = 257040.

The previous prime is 299909. The next prime is 299933. The reversal of 299929 is 929992.

It can be written as a sum of positive squares in only one way, i.e., 200704 + 99225 = 448^2 + 315^2 .

It is not a de Polignac number, because 299929 - 2⁹ = 299417 is a prime.

It is a Duffinian number.

299929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 299891 and 299900.

It is not an unprimeable number, because it can be changed into a prime (299909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3012 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (58159).

2²⁹⁹⁹²⁹ is an apocalyptic number.

It is an amenable number.

299929 is a deficient number, since it is larger than the sum of its proper divisors (49025).

299929 is an equidigital number, since it uses as much as digits as its factorization.

299929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135 (or 6128 counting only the distinct ones).

The product of its digits is 26244, while the sum is 40.

The square root of 299929 is about 547.6577398339. The cubic root of 299929 is about 66.9380135094.

The spelling of 299929 in words is "two hundred ninety-nine thousand, nine hundred twenty-nine".