288887250 has 64 divisors (see below), whose sum is σ = 731952000. Its totient is φ = 75873600.

The previous prime is 288887213. The next prime is 288887251. The reversal of 288887250 is 52788882.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 288887250.

It is not an unprimeable number, because it can be changed into a prime (288887251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47376 + ... + 53124.

It is an arithmetic number, because the mean of its divisors is an integer number (11436750).

Almost surely, 2^288887250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288887250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365976000).

288887250 is an abundant number, since it is smaller than the sum of its proper divisors (443064750).

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

288887250 is a wasteful number, since it uses less digits than its factorization.

288887250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836 (or 5826 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 288887250 is about 16996.6835000244. The cubic root of 288887250 is about 661.0629108019.

The spelling of 288887250 in words is "two hundred eighty-eight million, eight hundred eighty-seven thousand, two hundred fifty".