9679913 has 2 divisors, whose sum is σ = 9679914. Its totient is φ = 9679912.

The previous prime is 9679909. The next prime is 9679933. The reversal of 9679913 is 3199769.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9412624 + 267289 = 3068^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 9679913 - 2² = 9679909 is a prime.

It is not a weakly prime, because it can be changed into another prime (9679933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4839956 + 4839957.

It is an arithmetic number, because the mean of its divisors is an integer number (4839957).

Almost surely, 2^9679913 is an apocalyptic number.

It is an amenable number.

9679913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9679913 is an equidigital number, since it uses as much as digits as its factorization.

9679913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 44.

The square root of 9679913 is about 3111.2558557599. The cubic root of 9679913 is about 213.1198088707.

The spelling of 9679913 in words is "nine million, six hundred seventy-nine thousand, nine hundred thirteen".