260939 has 4 divisors (see below), whose sum is σ = 298224. Its totient is φ = 223656.

The previous prime is 260921. The next prime is 260941. The reversal of 260939 is 939062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260959) 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 3 ways as a sum of consecutive naturals, for example, 18632 + ... + 18645.

It is an arithmetic number, because the mean of its divisors is an integer number (74556).

2²⁶⁰⁹³⁹ is an apocalyptic number.

260939 is a deficient number, since it is larger than the sum of its proper divisors (37285).

260939 is an equidigital number, since it uses as much as digits as its factorization.

260939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37284.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 260939 is about 510.8218867668. The cubic root of 260939 is about 63.9017862081.

The spelling of 260939 in words is "two hundred sixty thousand, nine hundred thirty-nine".