9255240 has 96 divisors (see below), whose sum is σ = 30775680. Its totient is φ = 2411136.

The previous prime is 9255227. The next prime is 9255241. The reversal of 9255240 is 425529.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9255241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16647 + ... + 17193.

It is an arithmetic number, because the mean of its divisors is an integer number (320580).

Almost surely, 2^9255240 is an apocalyptic number.

9255240 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 9255240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15387840).

9255240 is an abundant number, since it is smaller than the sum of its proper divisors (21520440).

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

9255240 is a wasteful number, since it uses less digits than its factorization.

9255240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 9255240 is about 3042.2425938771. The cubic root of 9255240 is about 209.9564535557.

The spelling of 9255240 in words is "nine million, two hundred fifty-five thousand, two hundred forty".