9165636 has 30 divisors (see below), whose sum is σ = 23961630. Its totient is φ = 3055104.

The previous prime is 9165631. The next prime is 9165643. The reversal of 9165636 is 6365619.

9165636 is a `hidden beast` number, since 9 + 16 + 5 + 636 = 666.

9165636 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9036036 + 129600 = 3006^2 + 360^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 9165636.

It is not an unprimeable number, because it can be changed into a prime (9165631) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13821 + ... + 14468.

It is an arithmetic number, because the mean of its divisors is an integer number (798721).

Almost surely, 2^9165636 is an apocalyptic number.

It is an amenable number.

9165636 is an abundant number, since it is smaller than the sum of its proper divisors (14795994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9165636 is a wasteful number, since it uses less digits than its factorization.

9165636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28305 (or 28294 counting only the distinct ones).

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

The square root of 9165636 is about 3027.4801403147. The cubic root of 9165636 is about 209.2766952491.

It can be divided in two parts, 9165 and 636, that added together give a square (9801 = 99²).

The spelling of 9165636 in words is "nine million, one hundred sixty-five thousand, six hundred thirty-six".