9223920 has 120 divisors (see below), whose sum is σ = 32381856. Its totient is φ = 2348544.

The previous prime is 9223919. The next prime is 9223927. The reversal of 9223920 is 293229.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9223927) 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 23 ways as a sum of consecutive naturals, for example, 16282 + ... + 16838.

Almost surely, 2^9223920 is an apocalyptic number.

9223920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9223920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16190928).

9223920 is an abundant number, since it is smaller than the sum of its proper divisors (23157936).

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

9223920 is a wasteful number, since it uses less digits than its factorization.

9223920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 9223920 is about 3037.0907131661. The cubic root of 9223920 is about 209.7193529976.

The spelling of 9223920 in words is "nine million, two hundred twenty-three thousand, nine hundred twenty".