9986996 has 12 divisors (see below), whose sum is σ = 17510052. Its totient is φ = 4984128.

The previous prime is 9986993. The next prime is 9987001. The reversal of 9986996 is 6996899.

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 9610000 = 614^2 + 3100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986993) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 416 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (1459171).

Almost surely, 2^9986996 is an apocalyptic number.

It is an amenable number.

9986996 is a deficient number, since it is larger than the sum of its proper divisors (7523056).

9986996 is a wasteful number, since it uses less digits than its factorization.

9986996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690 (or 4688 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 56.

The square root of 9986996 is about 3160.2208783564. The cubic root of 9986996 is about 215.3500409312.

The spelling of 9986996 in words is "nine million, nine hundred eighty-six thousand, nine hundred ninety-six".