9746861 has 2 divisors, whose sum is σ = 9746862. Its totient is φ = 9746860.

The previous prime is 9746839. The next prime is 9746897. The reversal of 9746861 is 1686479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 1394761 = 2890^2 + 1181^2 .

It is an emirp because it is prime and its reverse (1686479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9746861 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9746801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4873430 + 4873431.

It is an arithmetic number, because the mean of its divisors is an integer number (4873431).

Almost surely, 2^9746861 is an apocalyptic number.

It is an amenable number.

9746861 is a deficient number, since it is larger than the sum of its proper divisors (1).

9746861 is an equidigital number, since it uses as much as digits as its factorization.

9746861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 9746861 is about 3121.9963164616. The cubic root of 9746861 is about 213.6100053410.

The spelling of 9746861 in words is "nine million, seven hundred forty-six thousand, eight hundred sixty-one".