260889941 has 4 divisors (see below), whose sum is σ = 280958412. Its totient is φ = 240821472.

The previous prime is 260889913. The next prime is 260889947. The reversal of 260889941 is 149988062.

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 154902916 + 105987025 = 12446^2 + 10295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260889941 is a prime.

It is a super-2 number, since 2×260889941² = 136127122629966962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260889947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10034216 + ... + 10034241.

It is an arithmetic number, because the mean of its divisors is an integer number (70239603).

Almost surely, 2^260889941 is an apocalyptic number.

It is an amenable number.

260889941 is a deficient number, since it is larger than the sum of its proper divisors (20068471).

260889941 is a wasteful number, since it uses less digits than its factorization.

260889941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20068470.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 260889941 is about 16152.0878217028. The cubic root of 260889941 is about 638.9778124370.

The spelling of 260889941 in words is "two hundred sixty million, eight hundred eighty-nine thousand, nine hundred forty-one".