288468398 has 4 divisors (see below), whose sum is σ = 432702600. Its totient is φ = 144234198.

The previous prime is 288468373. The next prime is 288468403. The reversal of 288468398 is 893864882.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72117098 + ... + 72117101.

It is an arithmetic number, because the mean of its divisors is an integer number (108175650).

Almost surely, 2^288468398 is an apocalyptic number.

288468398 is a deficient number, since it is larger than the sum of its proper divisors (144234202).

288468398 is a wasteful number, since it uses less digits than its factorization.

288468398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144234201.

The product of its digits is 5308416, while the sum is 56.

The square root of 288468398 is about 16984.3574503129. The cubic root of 288468398 is about 660.7432688561.

The spelling of 288468398 in words is "two hundred eighty-eight million, four hundred sixty-eight thousand, three hundred ninety-eight".