9649769 has 2 divisors, whose sum is σ = 9649770. Its totient is φ = 9649768.

The previous prime is 9649753. The next prime is 9649781. The reversal of 9649769 is 9679469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4897369 + 4752400 = 2213^2 + 2180^2 .

It is an emirp because it is prime and its reverse (9679469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9649769 - 2⁴ = 9649753 is a prime.

It is a super-2 number, since 2×9649769² = 186236083506722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9649729) 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, 4824884 + 4824885.

It is an arithmetic number, because the mean of its divisors is an integer number (4824885).

Almost surely, 2^9649769 is an apocalyptic number.

It is an amenable number.

9649769 is a deficient number, since it is larger than the sum of its proper divisors (1).

9649769 is an equidigital number, since it uses as much as digits as its factorization.

9649769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 50.

The square root of 9649769 is about 3106.4077324138. The cubic root of 9649769 is about 212.8983549640.

The spelling of 9649769 in words is "nine million, six hundred forty-nine thousand, seven hundred sixty-nine".