288884 has 6 divisors (see below), whose sum is σ = 505554. Its totient is φ = 144440.

The previous prime is 288877. The next prime is 288907. The reversal of 288884 is 488882.

288884 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 only one way, i.e., 211600 + 77284 = 460^2 + 278^2 .

It is a congruent number.

It is an unprimeable number.

288884 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36107 + ... + 36114.

It is an arithmetic number, because the mean of its divisors is an integer number (84259).

2²⁸⁸⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

288884 is a deficient number, since it is larger than the sum of its proper divisors (216670).

288884 is a wasteful number, since it uses less digits than its factorization.

288884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72225 (or 72223 counting only the distinct ones).

The product of its digits is 32768, while the sum is 38.

The square root of 288884 is about 537.4793019271. The cubic root of 288884 is about 66.1060431793.

The spelling of 288884 in words is "two hundred eighty-eight thousand, eight hundred eighty-four".