288297388 has 12 divisors (see below), whose sum is σ = 506384032. Its totient is φ = 143616240.

The previous prime is 288297379. The next prime is 288297397. The reversal of 288297388 is 883792882.

It is an interprime number because it is at equal distance from previous prime (288297379) and next prime (288297397).

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 3 ways as a sum of consecutive naturals, for example, 131895 + ... + 134062.

Almost surely, 2^288297388 is an apocalyptic number.

It is an amenable number.

288297388 is a deficient number, since it is larger than the sum of its proper divisors (218086644).

288297388 is a wasteful number, since it uses less digits than its factorization.

288297388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266232 (or 266230 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The square root of 288297388 is about 16979.3223657483. The cubic root of 288297388 is about 660.6126756463.

The spelling of 288297388 in words is "two hundred eighty-eight million, two hundred ninety-seven thousand, three hundred eighty-eight".