260006865 has 16 divisors (see below), whose sum is σ = 416876928. Its totient is φ = 138381696.

The previous prime is 260006863. The next prime is 260006893. The reversal of 260006865 is 568600062.

It is not a de Polignac number, because 260006865 - 2¹ = 260006863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260006861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10492 + ... + 25101.

It is an arithmetic number, because the mean of its divisors is an integer number (26054808).

Almost surely, 2^260006865 is an apocalyptic number.

It is an amenable number.

260006865 is a deficient number, since it is larger than the sum of its proper divisors (156870063).

260006865 is a wasteful number, since it uses less digits than its factorization.

260006865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36088.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 260006865 is about 16124.7283698052. The cubic root of 260006865 is about 638.2560472586.

The spelling of 260006865 in words is "two hundred sixty million, six thousand, eight hundred sixty-five".