9479681 has 2 divisors, whose sum is σ = 9479682. Its totient is φ = 9479680.

The previous prime is 9479677. The next prime is 9479711. The reversal of 9479681 is 1869749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7789681 + 1690000 = 2791^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 9479681 - 2² = 9479677 is a prime.

It is a super-2 number, since 2×9479681² = 179728703723522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9479641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4739840 + 4739841.

It is an arithmetic number, because the mean of its divisors is an integer number (4739841).

Almost surely, 2^9479681 is an apocalyptic number.

It is an amenable number.

9479681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9479681 is an equidigital number, since it uses as much as digits as its factorization.

9479681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 9479681 is about 3078.9090600406. The cubic root of 9479681 is about 211.6400754686.

The spelling of 9479681 in words is "nine million, four hundred seventy-nine thousand, six hundred eighty-one".