260099 has 8 divisors (see below), whose sum is σ = 301920. Its totient is φ = 219456.

The previous prime is 260089. The next prime is 260111. The reversal of 260099 is 990062.

260099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 510²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260099 is a prime.

It is a Duffinian number.

260099 is a modest number, since divided by 99 gives 26 as remainder.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (260009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257 + ... + 765.

It is an arithmetic number, because the mean of its divisors is an integer number (37740).

2²⁶⁰⁰⁹⁹ is an apocalyptic number.

260099 is a deficient number, since it is larger than the sum of its proper divisors (41821).

260099 is an equidigital number, since it uses as much as digits as its factorization.

260099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 260099 is about 509.9990196069. Note that the first 3 decimals coincide. The cubic root of 260099 is about 63.8331428315.

The spelling of 260099 in words is "two hundred sixty thousand, ninety-nine".