9965969 has 8 divisors (see below), whose sum is σ = 11199552. Its totient is φ = 8799120.

The previous prime is 9965959. The next prime is 9966001. The reversal of 9965969 is 9695699.

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 9965969 - 2⁸ = 9965713 is a prime.

It is a super-2 number, since 2×9965969² = 198641076217922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9965969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9965959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16367 + ... + 16964.

It is an arithmetic number, because the mean of its divisors is an integer number (1399944).

Almost surely, 2^9965969 is an apocalyptic number.

It is an amenable number.

9965969 is a deficient number, since it is larger than the sum of its proper divisors (1233583).

9965969 is a wasteful number, since it uses less digits than its factorization.

9965969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33367.

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

The square root of 9965969 is about 3156.8923009821. The cubic root of 9965969 is about 215.1987993581.

The spelling of 9965969 in words is "nine million, nine hundred sixty-five thousand, nine hundred sixty-nine".