9428021792 has 192 divisors, whose sum is σ = 22353408000. Its totient is φ = 3911281920.

The previous prime is 9428021737. The next prime is 9428021809. The reversal of 9428021792 is 2971208249.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 71969567 + ... + 71969697.

It is an arithmetic number, because the mean of its divisors is an integer number (116424000).

Almost surely, 2^9428021792 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 9428021792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11176704000).

9428021792 is an abundant number, since it is smaller than the sum of its proper divisors (12925386208).

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

9428021792 is a wasteful number, since it uses less digits than its factorization.

9428021792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 9428021792 is about 97098.0009680941. Note that the first 3 decimals coincide. The cubic root of 9428021792 is about 2112.5493314904.

The spelling of 9428021792 in words is "nine billion, four hundred twenty-eight million, twenty-one thousand, seven hundred ninety-two".