268739764 has 24 divisors (see below), whose sum is σ = 475860168. Its totient is φ = 132787200.

The previous prime is 268739759. The next prime is 268739767. The reversal of 268739764 is 467937862.

268739764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2788900 + 265950864 = 1670^2 + 16308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268739767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205914 + ... + 207214.

It is an arithmetic number, because the mean of its divisors is an integer number (19827507).

Almost surely, 2^268739764 is an apocalyptic number.

It is an amenable number.

268739764 is a deficient number, since it is larger than the sum of its proper divisors (207120404).

268739764 is a wasteful number, since it uses less digits than its factorization.

268739764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875 (or 1873 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The square root of 268739764 is about 16393.2841127091. The cubic root of 268739764 is about 645.3232472251.

The spelling of 268739764 in words is "two hundred sixty-eight million, seven hundred thirty-nine thousand, seven hundred sixty-four".