288366 has 16 divisors (see below), whose sum is σ = 621264. Its totient is φ = 88704.

The previous prime is 288361. The next prime is 288383. The reversal of 288366 is 663882.

288366 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a plaindrome in base 16.

It is a zygodrome in base 12.

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 288366.

It is not an unprimeable number, because it can be changed into a prime (288361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1771 + ... + 1926.

It is an arithmetic number, because the mean of its divisors is an integer number (38829).

2²⁸⁸³⁶⁶ is an apocalyptic number.

288366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

288366 is an abundant number, since it is smaller than the sum of its proper divisors (332898).

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

288366 is a wasteful number, since it uses less digits than its factorization.

288366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715.

The product of its digits is 13824, while the sum is 33.

The square root of 288366 is about 536.9972066966. The cubic root of 288366 is about 66.0665077973.

The spelling of 288366 in words is "two hundred eighty-eight thousand, three hundred sixty-six".