9057280 has 88 divisors (see below), whose sum is σ = 22844520. Its totient is φ = 3440640.

The previous prime is 9057247. The next prime is 9057287. The reversal of 9057280 is 827509.

It can be written as a sum of positive squares in 4 ways, for example, as 9216 + 9048064 = 96^2 + 3008^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9057287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148450 + ... + 148510.

Almost surely, 2^9057280 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 9057280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11422260).

9057280 is an abundant number, since it is smaller than the sum of its proper divisors (13787240).

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

9057280 is a wasteful number, since it uses less digits than its factorization.

9057280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 9057280 is about 3009.5315250052. The cubic root of 9057280 is about 208.4487353525.

The spelling of 9057280 in words is "nine million, fifty-seven thousand, two hundred eighty".