288668 has 6 divisors (see below), whose sum is σ = 505176. Its totient is φ = 144332.

The previous prime is 288661. The next prime is 288679. The reversal of 288668 is 866882.

It is a plaindrome in base 16.

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 288668.

It is not an unprimeable number, because it can be changed into a prime (288661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36080 + ... + 36087.

It is an arithmetic number, because the mean of its divisors is an integer number (84196).

2²⁸⁸⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

288668 is a deficient number, since it is larger than the sum of its proper divisors (216508).

288668 is a wasteful number, since it uses less digits than its factorization.

288668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72171 (or 72169 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 288668 is about 537.2783263821. The cubic root of 288668 is about 66.0895631324.

The spelling of 288668 in words is "two hundred eighty-eight thousand, six hundred sixty-eight".