9653965 has 4 divisors (see below), whose sum is σ = 11584764. Its totient is φ = 7723168.

The previous prime is 9653939. The next prime is 9653971. The reversal of 9653965 is 5693569.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5693569 = 7 ⋅813367.

It can be written as a sum of positive squares in 2 ways, for example, as 1022121 + 8631844 = 1011^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 9653965 - 2⁵ = 9653933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 965392 + ... + 965401.

It is an arithmetic number, because the mean of its divisors is an integer number (2896191).

Almost surely, 2^9653965 is an apocalyptic number.

It is an amenable number.

9653965 is a deficient number, since it is larger than the sum of its proper divisors (1930799).

9653965 is a wasteful number, since it uses less digits than its factorization.

9653965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930798.

The product of its digits is 218700, while the sum is 43.

The square root of 9653965 is about 3107.0830371910. The cubic root of 9653965 is about 212.9292086231.

The spelling of 9653965 in words is "nine million, six hundred fifty-three thousand, nine hundred sixty-five".