9891226382 has 32 divisors (see below), whose sum is σ = 15891876000. Its totient is φ = 4600811520.

The previous prime is 9891226379. The next prime is 9891226393. The reversal of 9891226382 is 2836221989.

It is a self number, because there is not a number n which added to its sum of digits gives 9891226382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3596744 + ... + 3599492.

It is an arithmetic number, because the mean of its divisors is an integer number (496621125).

Almost surely, 2^9891226382 is an apocalyptic number.

9891226382 is a deficient number, since it is larger than the sum of its proper divisors (6000649618).

9891226382 is a wasteful number, since it uses less digits than its factorization.

9891226382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956.

The product of its digits is 746496, while the sum is 50.

The square root of 9891226382 is about 99454.6448487953. The cubic root of 9891226382 is about 2146.5946728435.

The spelling of 9891226382 in words is "nine billion, eight hundred ninety-one million, two hundred twenty-six thousand, three hundred eighty-two".