9121792 has 52 divisors (see below), whose sum is σ = 19461816. Its totient is φ = 4259840.

The previous prime is 9121787. The next prime is 9121799. The reversal of 9121792 is 2971219.

It is not an unprimeable number, because it can be changed into a prime (9121799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69567 + ... + 69697.

Almost surely, 2^9121792 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 9121792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9730908).

9121792 is an abundant number, since it is smaller than the sum of its proper divisors (10340024).

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

9121792 is a wasteful number, since it uses less digits than its factorization.

9121792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 150 counting only the distinct ones).

The product of its digits is 2268, while the sum is 31.

The square root of 9121792 is about 3020.2304547832. The cubic root of 9121792 is about 208.9424686928.

It can be divided in two parts, 912 and 1792, that added together give a square (2704 = 52²).

The spelling of 9121792 in words is "nine million, one hundred twenty-one thousand, seven hundred ninety-two".