268606843 has 2 divisors, whose sum is σ = 268606844. Its totient is φ = 268606842.

The previous prime is 268606837. The next prime is 268606879. The reversal of 268606843 is 348606862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268606843 - 2¹⁷ = 268475771 is a prime.

It is a super-2 number, since 2×268606843² = 144299272212853298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268606843.

It is not a weakly prime, because it can be changed into another prime (268606813) by changing a digit.

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, 134303421 + 134303422.

It is an arithmetic number, because the mean of its divisors is an integer number (134303422).

Almost surely, 2^268606843 is an apocalyptic number.

268606843 is a deficient number, since it is larger than the sum of its proper divisors (1).

268606843 is an equidigital number, since it uses as much as digits as its factorization.

268606843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 268606843 is about 16389.2294815833. The cubic root of 268606843 is about 645.2168355352.

The spelling of 268606843 in words is "two hundred sixty-eight million, six hundred six thousand, eight hundred forty-three".