288986 has 8 divisors (see below), whose sum is σ = 437184. Its totient is φ = 143260.

The previous prime is 288979. The next prime is 288989. The reversal of 288986 is 689882.

It is a happy number.

288986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (288989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290 + ... + 813.

It is an arithmetic number, because the mean of its divisors is an integer number (54648).

2²⁸⁸⁹⁸⁶ is an apocalyptic number.

288986 is a deficient number, since it is larger than the sum of its proper divisors (148198).

288986 is a wasteful number, since it uses less digits than its factorization.

288986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its digits is 55296, while the sum is 41.

The square root of 288986 is about 537.5741809276. The cubic root of 288986 is about 66.1138225682.

It can be divided in two parts, 2 and 88986, that added together give a palindrome (88988).

The spelling of 288986 in words is "two hundred eighty-eight thousand, nine hundred eighty-six".