9381636 has 96 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 2770560.

The previous prime is 9381607. The next prime is 9381643. The reversal of 9381636 is 6361839.

It is a happy number.

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 9381636.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62890 + ... + 63038.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^9381636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9381636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608000).

9381636 is an abundant number, since it is smaller than the sum of its proper divisors (17834364).

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

9381636 is a wasteful number, since it uses less digits than its factorization.

9381636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 218 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 9381636 is about 3062.9456410456. The cubic root of 9381636 is about 210.9079058729.

The spelling of 9381636 in words is "nine million, three hundred eighty-one thousand, six hundred thirty-six".