288276 has 12 divisors (see below), whose sum is σ = 672672. Its totient is φ = 96088.

The previous prime is 288257. The next prime is 288283. The reversal of 288276 is 672882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

288276 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 12000 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (56056).

2²⁸⁸²⁷⁶ is an apocalyptic number.

It is an amenable number.

288276 is an abundant number, since it is smaller than the sum of its proper divisors (384396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288276 is a wasteful number, since it uses less digits than its factorization.

288276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24030 (or 24028 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 288276 is about 536.9134008385. The cubic root of 288276 is about 66.0596338889.

The spelling of 288276 in words is "two hundred eighty-eight thousand, two hundred seventy-six".