268886705 has 8 divisors (see below), whose sum is σ = 341644392. Its totient is φ = 202455808.

The previous prime is 268886699. The next prime is 268886707. The reversal of 268886705 is 507688862.

It can be written as a sum of positive squares in 4 ways, for example, as 2283121 + 266603584 = 1511^2 + 16328^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268886705 - 2⁶ = 268886641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268886707) 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, 1581602 + ... + 1581771.

It is an arithmetic number, because the mean of its divisors is an integer number (42705549).

Almost surely, 2^268886705 is an apocalyptic number.

It is an amenable number.

268886705 is a deficient number, since it is larger than the sum of its proper divisors (72757687).

268886705 is a wasteful number, since it uses less digits than its factorization.

268886705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163395.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 268886705 is about 16397.7652440813. The cubic root of 268886705 is about 645.4408419872.

The spelling of 268886705 in words is "two hundred sixty-eight million, eight hundred eighty-six thousand, seven hundred five".