288056 has 8 divisors (see below), whose sum is σ = 540120. Its totient is φ = 144024.

The previous prime is 288053. The next prime is 288061. The reversal of 288056 is 650882.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288056.

It is not an unprimeable number, because it can be changed into a prime (288053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17996 + ... + 18011.

It is an arithmetic number, because the mean of its divisors is an integer number (67515).

2²⁸⁸⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

288056 is a deficient number, since it is larger than the sum of its proper divisors (252064).

288056 is a wasteful number, since it uses less digits than its factorization.

288056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36013 (or 36009 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 288056 is about 536.7084869834. The cubic root of 288056 is about 66.0428249766.

The spelling of 288056 in words is "two hundred eighty-eight thousand, fifty-six".