265964 has 6 divisors (see below), whose sum is σ = 465444. Its totient is φ = 132980.

The previous prime is 265961. The next prime is 265987. The reversal of 265964 is 469562.

It is a self number, because there is not a number n which added to its sum of digits gives 265964.

It is not an unprimeable number, because it can be changed into a prime (265961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33242 + ... + 33249.

It is an arithmetic number, because the mean of its divisors is an integer number (77574).

2²⁶⁵⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

265964 is a deficient number, since it is larger than the sum of its proper divisors (199480).

265964 is a wasteful number, since it uses less digits than its factorization.

265964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66495 (or 66493 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 265964 is about 515.7169766451. The cubic root of 265964 is about 64.3093744772.

The spelling of 265964 in words is "two hundred sixty-five thousand, nine hundred sixty-four".