268806736 has 20 divisors (see below), whose sum is σ = 568160064. Its totient is φ = 122184800.

The previous prime is 268806731. The next prime is 268806749. The reversal of 268806736 is 637608862.

It is a super-2 number, since 2×268806736² = 144514122637947392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268806731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763480 + ... + 763831.

Almost surely, 2^268806736 is an apocalyptic number.

It is an amenable number.

268806736 is an abundant number, since it is smaller than the sum of its proper divisors (299353328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268806736 is a wasteful number, since it uses less digits than its factorization.

268806736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527330 (or 1527324 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 268806736 is about 16395.3266512138. The cubic root of 268806736 is about 645.3768492653.

The spelling of 268806736 in words is "two hundred sixty-eight million, eight hundred six thousand, seven hundred thirty-six".