9969569 has 8 divisors (see below), whose sum is σ = 10359552. Its totient is φ = 9583920.

The previous prime is 9969559. The next prime is 9969571. The reversal of 9969569 is 9659699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9969569 - 2⁸ = 9969313 is a prime.

It is a super-2 number, since 2×9969569² = 198784612091522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9969569.

It is not an unprimeable number, because it can be changed into a prime (9969529) 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 in 7 ways as a sum of consecutive naturals, for example, 4067 + ... + 6039.

It is an arithmetic number, because the mean of its divisors is an integer number (1294944).

Almost surely, 2^9969569 is an apocalyptic number.

It is an amenable number.

9969569 is a deficient number, since it is larger than the sum of its proper divisors (389983).

9969569 is a wasteful number, since it uses less digits than its factorization.

9969569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167.

The product of its digits is 1180980, while the sum is 53.

The square root of 9969569 is about 3157.4624304970. The cubic root of 9969569 is about 215.2247082758.

The spelling of 9969569 in words is "nine million, nine hundred sixty-nine thousand, five hundred sixty-nine".