288279 has 10 divisors (see below), whose sum is σ = 430760. Its totient is φ = 192132.

The previous prime is 288257. The next prime is 288283. The reversal of 288279 is 972882.

It is not a de Polignac number, because 288279 - 2⁵ = 288247 is a prime.

It is a Duffinian 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 288279.

It is not an unprimeable number, because it can be changed into a prime (288209) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1699 + ... + 1860.

It is an arithmetic number, because the mean of its divisors is an integer number (43076).

2²⁸⁸²⁷⁹ is an apocalyptic number.

288279 is a deficient number, since it is larger than the sum of its proper divisors (142481).

288279 is an equidigital number, since it uses as much as digits as its factorization.

288279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571 (or 3562 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 288279 is about 536.9161945779. The cubic root of 288279 is about 66.0598630422.

The spelling of 288279 in words is "two hundred eighty-eight thousand, two hundred seventy-nine".