288989312 has 32 divisors (see below), whose sum is σ = 583848000. Its totient is φ = 142455040.

The previous prime is 288989249. The next prime is 288989333. The reversal of 288989312 is 213989882.

288989312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6812 + ... + 24987.

It is an arithmetic number, because the mean of its divisors is an integer number (18245250).

Almost surely, 2^288989312 is an apocalyptic number.

It is an amenable number.

288989312 is an abundant number, since it is smaller than the sum of its proper divisors (294858688).

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

288989312 is an equidigital number, since it uses as much as digits as its factorization.

288989312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31884 (or 31872 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 288989312 is about 16999.6856441524. The cubic root of 288989312 is about 661.1407513884.

The spelling of 288989312 in words is "two hundred eighty-eight million, nine hundred eighty-nine thousand, three hundred twelve".