9647965 has 8 divisors (see below), whose sum is σ = 11597400. Its totient is φ = 7705152.

The previous prime is 9647929. The next prime is 9647987. The reversal of 9647965 is 5697469.

It can be written as a sum of positive squares in 4 ways, for example, as 3392964 + 6255001 = 1842^2 + 2501^2 .

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 9647965 - 2⁹ = 9647453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511 + ... + 5059.

It is an arithmetic number, because the mean of its divisors is an integer number (1449675).

Almost surely, 2^9647965 is an apocalyptic number.

It is an amenable number.

9647965 is a deficient number, since it is larger than the sum of its proper divisors (1949435).

9647965 is a wasteful number, since it uses less digits than its factorization.

9647965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311.

The product of its digits is 408240, while the sum is 46.

The square root of 9647965 is about 3106.1173512924. The cubic root of 9647965 is about 212.8850872002.

The spelling of 9647965 in words is "nine million, six hundred forty-seven thousand, nine hundred sixty-five".