288299 has 4 divisors (see below), whose sum is σ = 314520. Its totient is φ = 262080.

The previous prime is 288293. The next prime is 288307. The reversal of 288299 is 992882.

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 288299 - 2⁴ = 288283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288293) 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, 13094 + ... + 13115.

It is an arithmetic number, because the mean of its divisors is an integer number (78630).

2²⁸⁸²⁹⁹ is an apocalyptic number.

288299 is a deficient number, since it is larger than the sum of its proper divisors (26221).

288299 is a wasteful number, since it uses less digits than its factorization.

288299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26220.

The product of its digits is 20736, while the sum is 38.

The square root of 288299 is about 536.9348191354. The cubic root of 288299 is about 66.0613906905.

The spelling of 288299 in words is "two hundred eighty-eight thousand, two hundred ninety-nine".