9290240 has 80 divisors (see below), whose sum is σ = 23569920.
Its totient is φ = 3502080.
The previous prime is 9290233. The next prime is 9290243. The reversal of 9290240 is 420929.
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (9290243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48545 + ... + 48735.
It is an arithmetic number, because the mean of its divisors is an integer number (294624).
Almost surely, 29290240 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 9290240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11784960).
9290240 is an abundant number, since it is smaller than the sum of its proper divisors (14279680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9290240 is a wasteful number, since it uses less digits than its factorization.
9290240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233 (or 217 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 9290240 is about 3047.9895012943.
The cubic root of 9290240 is about 210.2207806535.
The spelling of 9290240 in words is "nine million, two hundred ninety thousand, two hundred forty".