288902250 has 384 divisors, whose sum is σ = 1030288896. Its totient is φ = 56678400.

The previous prime is 288902227. The next prime is 288902261. The reversal of 288902250 is 52209882.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3480709 + ... + 3480791.

It is an arithmetic number, because the mean of its divisors is an integer number (2683044).

Almost surely, 2^288902250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288902250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515144448).

288902250 is an abundant number, since it is smaller than the sum of its proper divisors (741386646).

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

288902250 is a wasteful number, since it uses less digits than its factorization.

288902250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 288902250 is about 16997.1247568523. The cubic root of 288902250 is about 661.0743521423.

The spelling of 288902250 in words is "two hundred eighty-eight million, nine hundred two thousand, two hundred fifty".