288888 has 16 divisors (see below), whose sum is σ = 722280. Its totient is φ = 96288.

The previous prime is 288877. The next prime is 288907. The reversal of 288888 is 888882.

288888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

288888 is a modest number, since divided by 888 gives 288 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

288888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5995 + ... + 6042.

2²⁸⁸⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

288888 is an abundant number, since it is smaller than the sum of its proper divisors (433392).

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

288888 is a wasteful number, since it uses less digits than its factorization.

288888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12046 (or 12042 counting only the distinct ones).

The product of its digits is 65536, while the sum is 42.

The square root of 288888 is about 537.4830229877. The cubic root of 288888 is about 66.1063482878.

It can be divided in two parts, 288 and 888, that added together give a triangular number (1176 = T₄₈).

The spelling of 288888 in words is "two hundred eighty-eight thousand, eight hundred eighty-eight".