9986922 has 128 divisors (see below), whose sum is σ = 27371520. Its totient is φ = 2661120.

The previous prime is 9986917. The next prime is 9986941. The reversal of 9986922 is 2296899.

9986922 = T₆₈ + T₆₉ + ... + T₃₉₁.

It is a super-2 number, since 2×9986922² = 199477222068168, which contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 232233 + ... + 232275.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

Almost surely, 2^9986922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9986922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13685760).

9986922 is an abundant number, since it is smaller than the sum of its proper divisors (17384598).

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

9986922 is a wasteful number, since it uses less digits than its factorization.

9986922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 99 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 9986922 is about 3160.2091702924. The cubic root of 9986922 is about 215.3495090414.

The spelling of 9986922 in words is "nine million, nine hundred eighty-six thousand, nine hundred twenty-two".