268320959 has 4 divisors (see below), whose sum is σ = 269524416. Its totient is φ = 267117504.

The previous prime is 268320931. The next prime is 268320961. The reversal of 268320959 is 959023862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268320959 is a prime.

It is a super-2 number, since 2×268320959² = 143992274077359362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268320659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601394 + ... + 601839.

It is an arithmetic number, because the mean of its divisors is an integer number (67381104).

Almost surely, 2^268320959 is an apocalyptic number.

268320959 is a deficient number, since it is larger than the sum of its proper divisors (1203457).

268320959 is a wasteful number, since it uses less digits than its factorization.

268320959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203456.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 268320959 is about 16380.5054561817. The cubic root of 268320959 is about 644.9878482577.

The spelling of 268320959 in words is "two hundred sixty-eight million, three hundred twenty thousand, nine hundred fifty-nine".