288833388 has 48 divisors (see below), whose sum is σ = 698849760. Its totient is φ = 92736000.

The previous prime is 288833387. The next prime is 288833399. The reversal of 288833388 is 883338882.

It is a self number, because there is not a number n which added to its sum of digits gives 288833388.

It is not an unprimeable number, because it can be changed into a prime (288833387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208458 + ... + 209838.

It is an arithmetic number, because the mean of its divisors is an integer number (14559370).

Almost surely, 2^288833388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288833388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349424880).

288833388 is an abundant number, since it is smaller than the sum of its proper divisors (410016372).

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

288833388 is a wasteful number, since it uses less digits than its factorization.

288833388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2016 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 51.

The square root of 288833388 is about 16995.0989405770. The cubic root of 288833388 is about 661.0218239724.

The spelling of 288833388 in words is "two hundred eighty-eight million, eight hundred thirty-three thousand, three hundred eighty-eight".