288812 has 12 divisors (see below), whose sum is σ = 511056. Its totient is φ = 142800.

The previous prime is 288803. The next prime is 288817. The reversal of 288812 is 218882.

288812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288812.

It is not an unprimeable number, because it can be changed into a prime (288817) by changing a digit.

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, 62 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (42588).

2²⁸⁸⁸¹² is an apocalyptic number.

It is an amenable number.

288812 is a deficient number, since it is larger than the sum of its proper divisors (222244).

288812 is a wasteful number, since it uses less digits than its factorization.

288812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 288812 is about 537.4123184297. The cubic root of 288812 is about 66.1005507433.

The spelling of 288812 in words is "two hundred eighty-eight thousand, eight hundred twelve".