299231 has 4 divisors (see below), whose sum is σ = 315000. Its totient is φ = 283464.

The previous prime is 299213. The next prime is 299239. The reversal of 299231 is 132992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 299231 - 2¹⁴ = 282847 is a prime.

It is a super-2 number, since 2×299231² = 179078382722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 299231.

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 299231.

It is not an unprimeable number, because it can be changed into a prime (299239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7856 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (78750).

2²⁹⁹²³¹ is an apocalyptic number.

299231 is a deficient number, since it is larger than the sum of its proper divisors (15769).

299231 is a wasteful number, since it uses less digits than its factorization.

299231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768.

The product of its digits is 972, while the sum is 26.

The square root of 299231 is about 547.0201093196. The cubic root of 299231 is about 66.8860467383.

The spelling of 299231 in words is "two hundred ninety-nine thousand, two hundred thirty-one".