9661365 has 24 divisors (see below), whose sum is σ = 19139328. Its totient is φ = 4416480.

The previous prime is 9661361. The next prime is 9661373. The reversal of 9661365 is 5631669.

It is not a de Polignac number, because 9661365 - 2² = 9661361 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9661361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15021 + ... + 15650.

It is an arithmetic number, because the mean of its divisors is an integer number (797472).

Almost surely, 2^9661365 is an apocalyptic number.

It is an amenable number.

9661365 is a deficient number, since it is larger than the sum of its proper divisors (9477963).

9661365 is a wasteful number, since it uses less digits than its factorization.

9661365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30689 (or 30686 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 9661365 is about 3108.2736366028. The cubic root of 9661365 is about 212.9835998746.

The spelling of 9661365 in words is "nine million, six hundred sixty-one thousand, three hundred sixty-five".