288297838 has 8 divisors (see below), whose sum is σ = 432556488. Its totient is φ = 144112344.

The previous prime is 288297833. The next prime is 288297881. The reversal of 288297838 is 838792882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288297833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7056 + ... + 25027.

It is an arithmetic number, because the mean of its divisors is an integer number (54069561).

Almost surely, 2^288297838 is an apocalyptic number.

288297838 is a deficient number, since it is larger than the sum of its proper divisors (144258650).

288297838 is a wasteful number, since it uses less digits than its factorization.

288297838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36578.

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

The square root of 288297838 is about 16979.3356171553. The cubic root of 288297838 is about 660.6130193603.

The spelling of 288297838 in words is "two hundred eighty-eight million, two hundred ninety-seven thousand, eight hundred thirty-eight".