9640365 has 16 divisors (see below), whose sum is σ = 17628288. Its totient is φ = 4406976.

The previous prime is 9640363. The next prime is 9640373. The reversal of 9640365 is 5630469.

It is a happy number.

9640365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9640365 - 2¹ = 9640363 is a prime.

9640365 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45802 + ... + 46011.

It is an arithmetic number, because the mean of its divisors is an integer number (1101768).

Almost surely, 2^9640365 is an apocalyptic number.

It is an amenable number.

9640365 is a deficient number, since it is larger than the sum of its proper divisors (7987923).

9640365 is a wasteful number, since it uses less digits than its factorization.

9640365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91828.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 9640365 is about 3104.8937179878. The cubic root of 9640365 is about 212.8291737967.

The spelling of 9640365 in words is "nine million, six hundred forty thousand, three hundred sixty-five".