268728 has 16 divisors (see below), whose sum is σ = 671880. Its totient is φ = 89568.

The previous prime is 268721. The next prime is 268729. The reversal of 268728 is 827862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268721) 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, 5575 + ... + 5622.

2²⁶⁸⁷²⁸ is an apocalyptic number.

It is an amenable number.

268728 is an abundant number, since it is smaller than the sum of its proper divisors (403152).

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

268728 is a wasteful number, since it uses less digits than its factorization.

268728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11206 (or 11202 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 268728 is about 518.3898147148. The cubic root of 268728 is about 64.5313830813.

The spelling of 268728 in words is "two hundred sixty-eight thousand, seven hundred twenty-eight".