9321383720 has 64 divisors (see below), whose sum is σ = 22940539200. Its totient is φ = 3380590080.

The previous prime is 9321383681. The next prime is 9321383759. The reversal of 9321383720 is 273831239.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9321383681) and next prime (9321383759).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138812 + ... + 194708.

It is an arithmetic number, because the mean of its divisors is an integer number (358445925).

Almost surely, 2^9321383720 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 9321383720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11470269600).

9321383720 is an abundant number, since it is smaller than the sum of its proper divisors (13619155480).

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

9321383720 is a wasteful number, since it uses less digits than its factorization.

9321383720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56298 (or 56294 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 9321383720 is about 96547.3133753602. The cubic root of 9321383720 is about 2104.5542671984.

The spelling of 9321383720 in words is "nine billion, three hundred twenty-one million, three hundred eighty-three thousand, seven hundred twenty".