9984650 has 24 divisors (see below), whose sum is σ = 20001324. Its totient is φ = 3686400.

The previous prime is 9984649. The next prime is 9984673. The reversal of 9984650 is 564899.

It can be written as a sum of positive squares in 6 ways, for example, as 3073009 + 6911641 = 1753^2 + 2629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9984598 and 9984607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7031 + ... + 8330.

Almost surely, 2^9984650 is an apocalyptic number.

9984650 is an abundant number, since it is smaller than the sum of its proper divisors (10016674).

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

9984650 is a wasteful number, since it uses less digits than its factorization.

9984650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15386 (or 15381 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 9984650 is about 3159.8496799690. The cubic root of 9984650 is about 215.3331773097. Note that the first 3 decimals are identical.

The spelling of 9984650 in words is "nine million, nine hundred eighty-four thousand, six hundred fifty".