288199912 has 256 divisors, whose sum is σ = 805593600. Its totient is φ = 92897280.

The previous prime is 288199907. The next prime is 288199921. The reversal of 288199912 is 219991882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3947908 + ... + 3947980.

It is an arithmetic number, because the mean of its divisors is an integer number (3146850).

Almost surely, 2^288199912 is an apocalyptic number.

288199912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288199912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402796800).

288199912 is an abundant number, since it is smaller than the sum of its proper divisors (517393688).

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

288199912 is a wasteful number, since it uses less digits than its factorization.

288199912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 152 counting only the distinct ones).

The product of its digits is 186624, while the sum is 49.

The square root of 288199912 is about 16976.4516905035. The cubic root of 288199912 is about 660.5382141786.

The spelling of 288199912 in words is "two hundred eighty-eight million, one hundred ninety-nine thousand, nine hundred twelve".