9864384 has 56 divisors (see below), whose sum is σ = 26456640. Its totient is φ = 3243264.

The previous prime is 9864383. The next prime is 9864397. The reversal of 9864384 is 4834689.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9864383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15627 + ... + 16245.

It is an arithmetic number, because the mean of its divisors is an integer number (472440).

Almost surely, 2^9864384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9864384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13228320).

9864384 is an abundant number, since it is smaller than the sum of its proper divisors (16592256).

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

9864384 is a wasteful number, since it uses less digits than its factorization.

9864384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 707 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 9864384 is about 3140.7616910552. The cubic root of 9864384 is about 214.4651135117.

The spelling of 9864384 in words is "nine million, eight hundred sixty-four thousand, three hundred eighty-four".