268287328 has 24 divisors (see below), whose sum is σ = 528564960. Its totient is φ = 134048640.

The previous prime is 268287317. The next prime is 268287329. The reversal of 268287328 is 823782862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268287329) 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, 72073 + ... + 75703.

It is an arithmetic number, because the mean of its divisors is an integer number (22023540).

Almost surely, 2^268287328 is an apocalyptic number.

It is an amenable number.

268287328 is a deficient number, since it is larger than the sum of its proper divisors (260277632).

268287328 is a wasteful number, since it uses less digits than its factorization.

268287328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950 (or 5942 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 268287328 is about 16379.4788683889. The cubic root of 268287328 is about 644.9608998191.

The spelling of 268287328 in words is "two hundred sixty-eight million, two hundred eighty-seven thousand, three hundred twenty-eight".