9739218384 has 160 divisors (see below), whose sum is σ = 32344001280. Its totient is φ = 2782563840.

The previous prime is 9739218367. The next prime is 9739218389. The reversal of 9739218384 is 4838129379.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 9739218384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9739218389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225064 + ... + 264824.

It is an arithmetic number, because the mean of its divisors is an integer number (202150008).

Almost surely, 2^9739218384 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 9739218384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16172000640).

9739218384 is an abundant number, since it is smaller than the sum of its proper divisors (22604782896).

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

9739218384 is an equidigital number, since it uses as much as digits as its factorization.

9739218384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39797 (or 39773 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 9739218384 is about 98687.4783546525. The cubic root of 9739218384 is about 2135.5415945970.

The spelling of 9739218384 in words is "nine billion, seven hundred thirty-nine million, two hundred eighteen thousand, three hundred eighty-four".