268886849 has 16 divisors (see below), whose sum is σ = 339486720. Its totient is φ = 206865360.

The previous prime is 268886843. The next prime is 268886851. The reversal of 268886849 is 948688862.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268886849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268886843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16019 + ... + 28184.

It is an arithmetic number, because the mean of its divisors is an integer number (21217920).

Almost surely, 2^268886849 is an apocalyptic number.

It is an amenable number.

268886849 is a deficient number, since it is larger than the sum of its proper divisors (70599871).

268886849 is a wasteful number, since it uses less digits than its factorization.

268886849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44300.

The product of its digits is 10616832, while the sum is 59.

The square root of 268886849 is about 16397.7696349229. The cubic root of 268886849 is about 645.4409572073.

The spelling of 268886849 in words is "two hundred sixty-eight million, eight hundred eighty-six thousand, eight hundred forty-nine".