9681941 has 2 divisors, whose sum is σ = 9681942. Its totient is φ = 9681940.

The previous prime is 9681937. The next prime is 9681967. The reversal of 9681941 is 1491869.

It is a happy number.

9681941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7344100 + 2337841 = 2710^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 9681941 - 2² = 9681937 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9681895 and 9681904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9681341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4840970 + 4840971.

It is an arithmetic number, because the mean of its divisors is an integer number (4840971).

Almost surely, 2^9681941 is an apocalyptic number.

It is an amenable number.

9681941 is a deficient number, since it is larger than the sum of its proper divisors (1).

9681941 is an equidigital number, since it uses as much as digits as its factorization.

9681941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 38.

The square root of 9681941 is about 3111.5817520997. The cubic root of 9681941 is about 213.1346911254.

The spelling of 9681941 in words is "nine million, six hundred eighty-one thousand, nine hundred forty-one".