9390920 has 64 divisors (see below), whose sum is σ = 26352000. Its totient is φ = 2926080.

The previous prime is 9390907. The next prime is 9390937. The reversal of 9390920 is 290939.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1556 + ... + 4604.

It is an arithmetic number, because the mean of its divisors is an integer number (411750).

Almost surely, 2^9390920 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 9390920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13176000).

9390920 is an abundant number, since it is smaller than the sum of its proper divisors (16961080).

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

9390920 is a wasteful number, since it uses less digits than its factorization.

9390920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 9390920 is about 3064.4608008588. The cubic root of 9390920 is about 210.9774539224.

The spelling of 9390920 in words is "nine million, three hundred ninety thousand, nine hundred twenty".