268899317 has 4 divisors (see below), whose sum is σ = 269370816. Its totient is φ = 268427820.

The previous prime is 268899283. The next prime is 268899409. The reversal of 268899317 is 713998862.

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 a cyclic number.

It is not a de Polignac number, because 268899317 - 2²⁸ = 463861 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 (268899517) 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, 234893 + ... + 236034.

It is an arithmetic number, because the mean of its divisors is an integer number (67342704).

Almost surely, 2^268899317 is an apocalyptic number.

It is an amenable number.

268899317 is a deficient number, since it is larger than the sum of its proper divisors (471499).

268899317 is an equidigital number, since it uses as much as digits as its factorization.

268899317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471498.

The product of its digits is 1306368, while the sum is 53.

The square root of 268899317 is about 16398.1498041700. The cubic root of 268899317 is about 645.4509331923.

The spelling of 268899317 in words is "two hundred sixty-eight million, eight hundred ninety-nine thousand, three hundred seventeen".