288242338 has 4 divisors (see below), whose sum is σ = 432363510. Its totient is φ = 144121168.

The previous prime is 288242329. The next prime is 288242359. The reversal of 288242338 is 833242882.

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

It can be written as a sum of positive squares in only one way, i.e., 198049329 + 90193009 = 14073^2 + 9497^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 288242338.

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 as a sum of consecutive naturals, namely, 72060583 + ... + 72060586.

Almost surely, 2^288242338 is an apocalyptic number.

288242338 is a deficient number, since it is larger than the sum of its proper divisors (144121172).

288242338 is a wasteful number, since it uses less digits than its factorization.

288242338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144121171.

The product of its digits is 147456, while the sum is 40.

The square root of 288242338 is about 16977.7011989256. The cubic root of 288242338 is about 660.5706252679.

The spelling of 288242338 in words is "two hundred eighty-eight million, two hundred forty-two thousand, three hundred thirty-eight".