288988 has 12 divisors (see below), whose sum is σ = 578032. Its totient is φ = 123840.

The previous prime is 288979. The next prime is 288989. The reversal of 288988 is 889882.

288988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

288988 is an admirable number.

It is a congruent number.

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, 5133 + ... + 5188.

2²⁸⁸⁹⁸⁸ is an apocalyptic number.

288988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

288988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

288988 is a wasteful number, since it uses less digits than its factorization.

288988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10332 (or 10330 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The square root of 288988 is about 537.5760411328. The cubic root of 288988 is about 66.1139750869.

The spelling of 288988 in words is "two hundred eighty-eight thousand, nine hundred eighty-eight".