9261920 has 48 divisors (see below), whose sum is σ = 22126608. Its totient is φ = 3663360.

The previous prime is 9261907. The next prime is 9261929. The reversal of 9261920 is 291629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9261929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16850 + ... + 17390.

It is an arithmetic number, because the mean of its divisors is an integer number (460971).

Almost surely, 2^9261920 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 9261920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11063304).

9261920 is an abundant number, since it is smaller than the sum of its proper divisors (12864688).

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

9261920 is a wasteful number, since it uses less digits than its factorization.

9261920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9261920 is about 3043.3402701637. The cubic root of 9261920 is about 210.0069536624.

The spelling of 9261920 in words is "nine million, two hundred sixty-one thousand, nine hundred twenty".