268494717 has 4 divisors (see below), whose sum is σ = 357992960. Its totient is φ = 178996476.

The previous prime is 268494713. The next prime is 268494727. The reversal of 268494717 is 717494862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 268494717 - 2² = 268494713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268494713) 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 in 3 ways as a sum of consecutive naturals, for example, 44749117 + ... + 44749122.

It is an arithmetic number, because the mean of its divisors is an integer number (89498240).

Almost surely, 2^268494717 is an apocalyptic number.

It is an amenable number.

268494717 is a deficient number, since it is larger than the sum of its proper divisors (89498243).

268494717 is an equidigital number, since it uses as much as digits as its factorization.

268494717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89498242.

The product of its digits is 677376, while the sum is 48.

The square root of 268494717 is about 16385.8084023950. The cubic root of 268494717 is about 645.1270442614.

The spelling of 268494717 in words is "two hundred sixty-eight million, four hundred ninety-four thousand, seven hundred seventeen".