299285 has 16 divisors (see below), whose sum is σ = 435456. Its totient is φ = 192768.

The previous prime is 299281. The next prime is 299287. The reversal of 299285 is 582992.

It is a cyclic number.

It is not a de Polignac number, because 299285 - 2² = 299281 is a prime.

It is a super-2 number, since 2×299285² = 179143022450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 299285.

It is not an unprimeable number, because it can be changed into a prime (299281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344 + ... + 846.

It is an arithmetic number, because the mean of its divisors is an integer number (27216).

2²⁹⁹²⁸⁵ is an apocalyptic number.

It is an amenable number.

299285 is a deficient number, since it is larger than the sum of its proper divisors (136171).

299285 is a wasteful number, since it uses less digits than its factorization.

299285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 12960, while the sum is 35.

The square root of 299285 is about 547.0694654246. The cubic root of 299285 is about 66.8900699726.

The spelling of 299285 in words is "two hundred ninety-nine thousand, two hundred eighty-five".