9986744 has 16 divisors (see below), whose sum is σ = 19231800. Its totient is φ = 4858272.

The previous prime is 9986731. The next prime is 9986747. The reversal of 9986744 is 4476899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16574 + ... + 17165.

Almost surely, 2^9986744 is an apocalyptic number.

It is an amenable number.

9986744 is a deficient number, since it is larger than the sum of its proper divisors (9245056).

9986744 is a wasteful number, since it uses less digits than its factorization.

9986744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33782 (or 33778 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 9986744 is about 3160.1810074741. The cubic root of 9986744 is about 215.3482296202.

The spelling of 9986744 in words is "nine million, nine hundred eighty-six thousand, seven hundred forty-four".