288867 has 4 divisors (see below), whose sum is σ = 385160. Its totient is φ = 192576.

The previous prime is 288853. The next prime is 288877. The reversal of 288867 is 768882.

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

It is not a de Polignac number, because 288867 - 2⁴ = 288851 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288867.

It is not an unprimeable number, because it can be changed into a prime (288817) 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, 48142 + ... + 48147.

It is an arithmetic number, because the mean of its divisors is an integer number (96290).

2²⁸⁸⁸⁶⁷ is an apocalyptic number.

288867 is a deficient number, since it is larger than the sum of its proper divisors (96293).

288867 is an equidigital number, since it uses as much as digits as its factorization.

288867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96292.

The product of its digits is 43008, while the sum is 39.

The square root of 288867 is about 537.4634871319. The cubic root of 288867 is about 66.1047464364.

It can be divided in two parts, 28886 and 7, that multiplied together give a palindrome (202202).

The spelling of 288867 in words is "two hundred eighty-eight thousand, eight hundred sixty-seven".