9028240 has 40 divisors (see below), whose sum is σ = 22607928. Its totient is φ = 3333120.

The previous prime is 9028231. The next prime is 9028247. The reversal of 9028240 is 428209.

It can be written as a sum of positive squares in 4 ways, for example, as 802816 + 8225424 = 896^2 + 2868^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (9028247) 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, 3301 + ... + 5380.

Almost surely, 2^9028240 is an apocalyptic number.

It is an amenable number.

9028240 is an abundant number, since it is smaller than the sum of its proper divisors (13579688).

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

9028240 is a wasteful number, since it uses less digits than its factorization.

9028240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707 (or 8701 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 9028240 is about 3004.7029803293. The cubic root of 9028240 is about 208.2257165078.

The spelling of 9028240 in words is "nine million, twenty-eight thousand, two hundred forty".