260366 has 4 divisors (see below), whose sum is σ = 390552. Its totient is φ = 130182.

The previous prime is 260363. The next prime is 260387. The reversal of 260366 is 663062.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65090 + ... + 65093.

It is an arithmetic number, because the mean of its divisors is an integer number (97638).

2²⁶⁰³⁶⁶ is an apocalyptic number.

260366 is a deficient number, since it is larger than the sum of its proper divisors (130186).

260366 is a wasteful number, since it uses less digits than its factorization.

260366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130185.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 260366 is about 510.2607176728. The cubic root of 260366 is about 63.8549776208.

It can be divided in two parts, 260 and 366, that added together give a palindrome (626).

The spelling of 260366 in words is "two hundred sixty thousand, three hundred sixty-six".