9901386 has 64 divisors (see below), whose sum is σ = 24422400. Its totient is φ = 2948400.

The previous prime is 9901379. The next prime is 9901391. The reversal of 9901386 is 6831099.

It is a self number, because there is not a number n which added to its sum of digits gives 9901386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46821 + ... + 47031.

It is an arithmetic number, because the mean of its divisors is an integer number (381600).

Almost surely, 2^9901386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9901386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12211200).

9901386 is an abundant number, since it is smaller than the sum of its proper divisors (14521014).

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

9901386 is a wasteful number, since it uses less digits than its factorization.

9901386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9901386 is about 3146.6467866604. The cubic root of 9901386 is about 214.7329368371.

It can be divided in two parts, 99013 and 86, that added together give a palindrome (99099).

The spelling of 9901386 in words is "nine million, nine hundred one thousand, three hundred eighty-six".