260667 has 12 divisors (see below), whose sum is σ = 410904. Its totient is φ = 157920.

The previous prime is 260651. The next prime is 260671. The reversal of 260667 is 766062.

It is not a de Polignac number, because 260667 - 2⁴ = 260651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260667.

It is not an unprimeable number, because it can be changed into a prime (260647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1218 + ... + 1415.

It is an arithmetic number, because the mean of its divisors is an integer number (34242).

2²⁶⁰⁶⁶⁷ is an apocalyptic number.

260667 is a deficient number, since it is larger than the sum of its proper divisors (150237).

260667 is a wasteful number, since it uses less digits than its factorization.

260667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 260667 is about 510.5555797364. Note that the first 4 decimals coincide. The cubic root of 260667 is about 63.8795749778.

The spelling of 260667 in words is "two hundred sixty thousand, six hundred sixty-seven".