288107989 has 16 divisors (see below), whose sum is σ = 316673280. Its totient is φ = 262058160.

The previous prime is 288107957. The next prime is 288108013. The reversal of 288107989 is 989701882.

It is not a de Polignac number, because 288107989 - 2⁵ = 288107957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288107929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155064 + ... + 156910.

It is an arithmetic number, because the mean of its divisors is an integer number (19792080).

Almost surely, 2^288107989 is an apocalyptic number.

It is an amenable number.

288107989 is a deficient number, since it is larger than the sum of its proper divisors (28565291).

288107989 is an equidigital number, since it uses as much as digits as its factorization.

288107989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 288107989 is about 16973.7441067079. The cubic root of 288107989 is about 660.4679792382.

The spelling of 288107989 in words is "two hundred eighty-eight million, one hundred seven thousand, nine hundred eighty-nine".