260979 has 4 divisors (see below), whose sum is σ = 347976. Its totient is φ = 173984.

The previous prime is 260969. The next prime is 260983. The reversal of 260979 is 979062.

260979 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 260979 - 2⁸ = 260723 is a prime.

It is a super-2 number, since 2×260979² = 136220076882, which contains 22 as substring.

It is a D-number.

260979 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (260959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43494 + ... + 43499.

It is an arithmetic number, because the mean of its divisors is an integer number (86994).

2²⁶⁰⁹⁷⁹ is an apocalyptic number.

260979 is a deficient number, since it is larger than the sum of its proper divisors (86997).

260979 is an equidigital number, since it uses as much as digits as its factorization.

260979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86996.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 260979 is about 510.8610378567. The cubic root of 260979 is about 63.9050512635.

It can be divided in two parts, 26097 and 9, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 260979 in words is "two hundred sixty thousand, nine hundred seventy-nine".