9321912 has 64 divisors (see below), whose sum is σ = 26208000. Its totient is φ = 3069792.

The previous prime is 9321901. The next prime is 9321919. The reversal of 9321912 is 2191239.

9321912 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9321919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22039 + ... + 22457.

It is an arithmetic number, because the mean of its divisors is an integer number (409500).

Almost surely, 2^9321912 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 9321912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13104000).

9321912 is an abundant number, since it is smaller than the sum of its proper divisors (16886088).

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

9321912 is a wasteful number, since it uses less digits than its factorization.

9321912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 527 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 9321912 is about 3053.1806366476. The cubic root of 9321912 is about 210.4594024276.

The spelling of 9321912 in words is "nine million, three hundred twenty-one thousand, nine hundred twelve".