260769 has 4 divisors (see below), whose sum is σ = 347696. Its totient is φ = 173844.

The previous prime is 260761. The next prime is 260773. The reversal of 260769 is 967062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 260769 - 2³ = 260761 is a prime.

It is a super-2 number, since 2×260769² = 136000942722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

260769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (260761) 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 in 3 ways as a sum of consecutive naturals, for example, 43459 + ... + 43464.

It is an arithmetic number, because the mean of its divisors is an integer number (86924).

2²⁶⁰⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

260769 is a deficient number, since it is larger than the sum of its proper divisors (86927).

260769 is an equidigital number, since it uses as much as digits as its factorization.

260769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86926.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 260769 is about 510.6554611477. The cubic root of 260769 is about 63.8879059990.

The spelling of 260769 in words is "two hundred sixty thousand, seven hundred sixty-nine".