268528 has 20 divisors (see below), whose sum is σ = 560728. Its totient is φ = 123840.

The previous prime is 268519. The next prime is 268529. The reversal of 268528 is 825862.

It is a self number, because there is not a number n which added to its sum of digits gives 268528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268529) by changing a digit.

268528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438 + ... + 853.

2²⁶⁸⁵²⁸ is an apocalyptic number.

It is an amenable number.

268528 is an abundant number, since it is smaller than the sum of its proper divisors (292200).

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

268528 is a wasteful number, since it uses less digits than its factorization.

268528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1306 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 268528 is about 518.1968737845. The cubic root of 268528 is about 64.5153700126.

The spelling of 268528 in words is "two hundred sixty-eight thousand, five hundred twenty-eight".