9984731 has 8 divisors (see below), whose sum is σ = 10176000. Its totient is φ = 9795240.

The previous prime is 9984713. The next prime is 9984739. The reversal of 9984731 is 1374899.

It is a happy number.

9984731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9984731 - 2¹⁰ = 9983707 is a prime.

It is a super-2 number, since 2×9984731² = 199389706284722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9984739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16370 + ... + 16968.

It is an arithmetic number, because the mean of its divisors is an integer number (1272000).

Almost surely, 2^9984731 is an apocalyptic number.

9984731 is a deficient number, since it is larger than the sum of its proper divisors (191269).

9984731 is a wasteful number, since it uses less digits than its factorization.

9984731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its digits is 54432, while the sum is 41.

The square root of 9984731 is about 3159.8624970084. The cubic root of 9984731 is about 215.3337596015. Note that the first 3 decimals are identical.

The spelling of 9984731 in words is "nine million, nine hundred eighty-four thousand, seven hundred thirty-one".