288796530 has 32 divisors (see below), whose sum is σ = 756122688. Its totient is φ = 70011200.

The previous prime is 288796513. The next prime is 288796537. The reversal of 288796530 is 35697882.

It is a self number, because there is not a number n which added to its sum of digits gives 288796530.

It is not an unprimeable number, because it can be changed into a prime (288796537) 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, 437241 + ... + 437900.

It is an arithmetic number, because the mean of its divisors is an integer number (23628834).

Almost surely, 2^288796530 is an apocalyptic number.

288796530 is an abundant number, since it is smaller than the sum of its proper divisors (467326158).

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

288796530 is a wasteful number, since it uses less digits than its factorization.

288796530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875162.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 288796530 is about 16994.0145345354. The cubic root of 288796530 is about 660.9937051331.

The spelling of 288796530 in words is "two hundred eighty-eight million, seven hundred ninety-six thousand, five hundred thirty".