9697669 has 4 divisors (see below), whose sum is σ = 9706444. Its totient is φ = 9688896.

The previous prime is 9697603. The next prime is 9697691. The reversal of 9697669 is 9667969.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9667969 = 179 ⋅54011.

It can be written as a sum of positive squares in 2 ways, for example, as 9529569 + 168100 = 3087^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 9697669 - 2²¹ = 7600517 is a prime.

It is a super-2 number, since 2×9697669² = 188089568067122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9695669) 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 in 3 ways as a sum of consecutive naturals, for example, 2442 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (2426611).

Almost surely, 2^9697669 is an apocalyptic number.

It is an amenable number.

9697669 is a deficient number, since it is larger than the sum of its proper divisors (8775).

9697669 is a wasteful number, since it uses less digits than its factorization.

9697669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774.

The product of its digits is 1102248, while the sum is 52.

The square root of 9697669 is about 3114.1080584976. The cubic root of 9697669 is about 213.2500388258.

The spelling of 9697669 in words is "nine million, six hundred ninety-seven thousand, six hundred sixty-nine".