260608686 has 64 divisors (see below), whose sum is σ = 584851008. Its totient is φ = 76889088.

The previous prime is 260608637. The next prime is 260608709. The reversal of 260608686 is 686806062.

260608686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210060 + ... + 211296.

It is an arithmetic number, because the mean of its divisors is an integer number (9138297).

Almost surely, 2^260608686 is an apocalyptic number.

260608686 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 260608686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292425504).

260608686 is an abundant number, since it is smaller than the sum of its proper divisors (324242322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260608686 is a wasteful number, since it uses less digits than its factorization.

260608686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 260608686 is about 16143.3790143204. The cubic root of 260608686 is about 638.7481110745.

The spelling of 260608686 in words is "two hundred sixty million, six hundred eight thousand, six hundred eighty-six".