9984572 has 24 divisors (see below), whose sum is σ = 18952416. Its totient is φ = 4575168.

The previous prime is 9984563. The next prime is 9984577. The reversal of 9984572 is 2754899.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984577) 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 7 ways as a sum of consecutive naturals, for example, 7553 + ... + 8775.

It is an arithmetic number, because the mean of its divisors is an integer number (789684).

Almost surely, 2^9984572 is an apocalyptic number.

It is an amenable number.

9984572 is a deficient number, since it is larger than the sum of its proper divisors (8967844).

9984572 is a wasteful number, since it uses less digits than its factorization.

9984572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1395 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 9984572 is about 3159.8373375856. The cubic root of 9984572 is about 215.3326165813.

The spelling of 9984572 in words is "nine million, nine hundred eighty-four thousand, five hundred seventy-two".