268833965 has 4 divisors (see below), whose sum is σ = 322600764. Its totient is φ = 215067168.

The previous prime is 268833947. The next prime is 268833991. The reversal of 268833965 is 569338862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 196056004 + 72777961 = 14002^2 + 8531^2 .

It is a cyclic number.

It is not a de Polignac number, because 268833965 - 2⁸ = 268833709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26883392 + ... + 26883401.

It is an arithmetic number, because the mean of its divisors is an integer number (80650191).

Almost surely, 2^268833965 is an apocalyptic number.

It is an amenable number.

268833965 is a deficient number, since it is larger than the sum of its proper divisors (53766799).

268833965 is an equidigital number, since it uses as much as digits as its factorization.

268833965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53766798.

The product of its digits is 1866240, while the sum is 50.

The square root of 268833965 is about 16396.1570192530. The cubic root of 268833965 is about 645.3986398562.

The spelling of 268833965 in words is "two hundred sixty-eight million, eight hundred thirty-three thousand, nine hundred sixty-five".