288868 has 12 divisors (see below), whose sum is σ = 509292. Its totient is φ = 143360.

The previous prime is 288853. The next prime is 288877. The reversal of 288868 is 868882.

288868 is nontrivially palindromic in base 16.

288868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 36864 = 502^2 + 192^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 288868.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 888 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (42441).

2²⁸⁸⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

288868 is a deficient number, since it is larger than the sum of its proper divisors (220424).

288868 is a wasteful number, since it uses less digits than its factorization.

288868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 288868 is about 537.4644174269. The cubic root of 288868 is about 66.1048227168.

It can be divided in two parts, 288 and 868, that added together give a square (1156 = 34²).

The spelling of 288868 in words is "two hundred eighty-eight thousand, eight hundred sixty-eight".