260396641 has 4 divisors (see below), whose sum is σ = 260641300. Its totient is φ = 260151984.

The previous prime is 260396629. The next prime is 260396651. The reversal of 260396641 is 146693062.

It is a happy number.

260396641 is digitally balanced in base 2, 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 can be written as a sum of positive squares in 2 ways, for example, as 45158400 + 215238241 = 6720^2 + 14671^2 .

It is a cyclic number.

It is not a de Polignac number, because 260396641 - 2¹⁷ = 260265569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260396641.

It is not an unprimeable number, because it can be changed into a prime (260396651) 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, 120726 + ... + 122863.

It is an arithmetic number, because the mean of its divisors is an integer number (65160325).

Almost surely, 2^260396641 is an apocalyptic number.

It is an amenable number.

260396641 is a deficient number, since it is larger than the sum of its proper divisors (244659).

260396641 is a wasteful number, since it uses less digits than its factorization.

260396641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244658.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 260396641 is about 16136.8101246808. The cubic root of 260396641 is about 638.5748243273.

The spelling of 260396641 in words is "two hundred sixty million, three hundred ninety-six thousand, six hundred forty-one".