299505 has 16 divisors (see below), whose sum is σ = 491904. Its totient is φ = 155520.

The previous prime is 299501. The next prime is 299513. The reversal of 299505 is 505992.

It is not a de Polignac number, because 299505 - 2² = 299501 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 299505.

It is not an unprimeable number, because it can be changed into a prime (299501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372 + ... + 858.

It is an arithmetic number, because the mean of its divisors is an integer number (30744).

2²⁹⁹⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

299505 is a deficient number, since it is larger than the sum of its proper divisors (192399).

299505 is a wasteful number, since it uses less digits than its factorization.

299505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 299505 is about 547.2704998445. The cubic root of 299505 is about 66.9064559270.

The spelling of 299505 in words is "two hundred ninety-nine thousand, five hundred five".