268975898 has 4 divisors (see below), whose sum is σ = 403463850. Its totient is φ = 134487948.

The previous prime is 268975789. The next prime is 268975909. The reversal of 268975898 is 898579862.

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., 220017889 + 48958009 = 14833^2 + 6997^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268975898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67243973 + ... + 67243976.

Almost surely, 2^268975898 is an apocalyptic number.

268975898 is a deficient number, since it is larger than the sum of its proper divisors (134487952).

268975898 is a wasteful number, since it uses less digits than its factorization.

268975898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134487951.

The product of its digits is 17418240, while the sum is 62.

The square root of 268975898 is about 16400.4846879597. The cubic root of 268975898 is about 645.5122009645.

It can be divided in two parts, 2689 and 75898, that added together give a palindrome (78587).

The spelling of 268975898 in words is "two hundred sixty-eight million, nine hundred seventy-five thousand, eight hundred ninety-eight".