9982091 has 8 divisors (see below), whose sum is σ = 11477760. Its totient is φ = 8503848.

The previous prime is 9982067. The next prime is 9982097. The reversal of 9982091 is 1902899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9982091 - 2¹⁸ = 9719947 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3101 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (1434720).

Almost surely, 2^9982091 is an apocalyptic number.

9982091 is a deficient number, since it is larger than the sum of its proper divisors (1495669).

9982091 is a wasteful number, since it uses less digits than its factorization.

9982091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 9982091 is about 3159.4447296954. Note that the first 3 decimals coincide. The cubic root of 9982091 is about 215.3147795797.

The spelling of 9982091 in words is "nine million, nine hundred eighty-two thousand, ninety-one".