9389920 has 24 divisors (see below), whose sum is σ = 22184064. Its totient is φ = 3755904.

The previous prime is 9389827. The next prime is 9389927. The reversal of 9389920 is 299839.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9389927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29184 + ... + 29503.

It is an arithmetic number, because the mean of its divisors is an integer number (924336).

Almost surely, 2^9389920 is an apocalyptic number.

It is an amenable number.

9389920 is an abundant number, since it is smaller than the sum of its proper divisors (12794144).

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

9389920 is a wasteful number, since it uses less digits than its factorization.

9389920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58702 (or 58694 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 9389920 is about 3064.2976356744. The cubic root of 9389920 is about 210.9699649528.

The spelling of 9389920 in words is "nine million, three hundred eighty-nine thousand, nine hundred twenty".