265928 has 16 divisors (see below), whose sum is σ = 537180. Its totient is φ = 122688.

The previous prime is 265921. The next prime is 265957. The reversal of 265928 is 829562.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 13924 = 502^2 + 118^2 .

It is a d-powerful number, because it can be written as 2¹⁰ + 6 + 9² + 5⁴ + 2¹¹ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 265894 and 265903.

It is not an unprimeable number, because it can be changed into a prime (265921) by changing a digit.

265928 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, 1175 + ... + 1382.

2²⁶⁵⁹²⁸ is an apocalyptic number.

It is an amenable number.

265928 is an abundant number, since it is smaller than the sum of its proper divisors (271252).

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

265928 is a wasteful number, since it uses less digits than its factorization.

265928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2572 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 265928 is about 515.6820725990. The cubic root of 265928 is about 64.3064727788.

The spelling of 265928 in words is "two hundred sixty-five thousand, nine hundred twenty-eight".