268988858 has 16 divisors (see below), whose sum is σ = 427558824. Its totient is φ = 126481920.

The previous prime is 268988851. The next prime is 268988861. The reversal of 268988858 is 858889862.

It can be written as a sum of positive squares in 4 ways, for example, as 232471009 + 36517849 = 15247^2 + 6043^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268988858.

It is not an unprimeable number, because it can be changed into a prime (268988851) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 56216 + ... + 60812.

Almost surely, 2^268988858 is an apocalyptic number.

268988858 is a deficient number, since it is larger than the sum of its proper divisors (158569966).

268988858 is a wasteful number, since it uses less digits than its factorization.

268988858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337.

The product of its digits is 17694720, while the sum is 62.

The square root of 268988858 is about 16400.8797934745. The cubic root of 268988858 is about 645.5225683169.

The spelling of 268988858 in words is "two hundred sixty-eight million, nine hundred eighty-eight thousand, eight hundred fifty-eight".