9561969 has 20 divisors (see below), whose sum is σ = 14443044. Its totient is φ = 6303744.

The previous prime is 9561961. The next prime is 9561983. The reversal of 9561969 is 9691659.

It can be written as a sum of positive squares in 2 ways, for example, as 3744225 + 5817744 = 1935^2 + 2412^2 .

It is not a de Polignac number, because 9561969 - 2³ = 9561961 is a prime.

It is a super-2 number, since 2×9561969² = 182862502313922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9561961) 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 19 ways as a sum of consecutive naturals, for example, 7249 + ... + 8465.

Almost surely, 2^9561969 is an apocalyptic number.

It is an amenable number.

9561969 is a deficient number, since it is larger than the sum of its proper divisors (4881075).

9561969 is a wasteful number, since it uses less digits than its factorization.

9561969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1317 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 9561969 is about 3092.2433604100. The cubic root of 9561969 is about 212.2506898553.

The spelling of 9561969 in words is "nine million, five hundred sixty-one thousand, nine hundred sixty-nine".