9930784 has 24 divisors (see below), whose sum is σ = 19792080. Its totient is φ = 4904256.

The previous prime is 9930773. The next prime is 9930797. The reversal of 9930784 is 4870399.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787 + ... + 4525.

It is an arithmetic number, because the mean of its divisors is an integer number (824670).

Almost surely, 2^9930784 is an apocalyptic number.

It is an amenable number.

9930784 is a deficient number, since it is larger than the sum of its proper divisors (9861296).

9930784 is a wasteful number, since it uses less digits than its factorization.

9930784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832 (or 3824 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 9930784 is about 3151.3146463024. The cubic root of 9930784 is about 214.9452465585.

The spelling of 9930784 in words is "nine million, nine hundred thirty thousand, seven hundred eighty-four".