260197689 has 16 divisors (see below), whose sum is σ = 362420352. Its totient is φ = 165737088.

The previous prime is 260197681. The next prime is 260197703. The reversal of 260197689 is 986791062.

260197689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 260197689 - 2³ = 260197681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260197681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86637 + ... + 89589.

It is an arithmetic number, because the mean of its divisors is an integer number (22651272).

Almost surely, 2^260197689 is an apocalyptic number.

It is an amenable number.

260197689 is a deficient number, since it is larger than the sum of its proper divisors (102222663).

260197689 is a wasteful number, since it uses less digits than its factorization.

260197689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 260197689 is about 16130.6444074625. The cubic root of 260197689 is about 638.4121518398.

The spelling of 260197689 in words is "two hundred sixty million, one hundred ninety-seven thousand, six hundred eighty-nine".