268318298 has 4 divisors (see below), whose sum is σ = 402477450. Its totient is φ = 134159148.

The previous prime is 268318291. The next prime is 268318319. The reversal of 268318298 is 892813862.

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., 255264529 + 13053769 = 15977^2 + 3613^2 .

It is not an unprimeable number, because it can be changed into a prime (268318291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67079573 + ... + 67079576.

Almost surely, 2^268318298 is an apocalyptic number.

268318298 is a deficient number, since it is larger than the sum of its proper divisors (134159152).

268318298 is a wasteful number, since it uses less digits than its factorization.

268318298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134159151.

The product of its digits is 331776, while the sum is 47.

The square root of 268318298 is about 16380.4242313806. The cubic root of 268318298 is about 644.9857160869.

The spelling of 268318298 in words is "two hundred sixty-eight million, three hundred eighteen thousand, two hundred ninety-eight".