9984906 has 24 divisors (see below), whose sum is σ = 21829860. Its totient is φ = 3298176.

The previous prime is 9984893. The next prime is 9984913. The reversal of 9984906 is 6094899.

It can be written as a sum of positive squares in 2 ways, for example, as 9979281 + 5625 = 3159^2 + 75^2 .

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 11 ways as a sum of consecutive naturals, for example, 421 + ... + 4488.

Almost surely, 2^9984906 is an apocalyptic number.

9984906 is an abundant number, since it is smaller than the sum of its proper divisors (11844954).

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

9984906 is a wasteful number, since it uses less digits than its factorization.

9984906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030 (or 5027 counting only the distinct ones).

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

The square root of 9984906 is about 3159.8901879654. The cubic root of 9984906 is about 215.3350176287.

The spelling of 9984906 in words is "nine million, nine hundred eighty-four thousand, nine hundred six".