9040288 has 48 divisors (see below), whose sum is σ = 18942336. Its totient is φ = 4238080.

The previous prime is 9040279. The next prime is 9040307. The reversal of 9040288 is 8820409.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52170 + ... + 52342.

It is an arithmetic number, because the mean of its divisors is an integer number (394632).

Almost surely, 2^9040288 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 9040288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9471168).

9040288 is an abundant number, since it is smaller than the sum of its proper divisors (9902048).

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

9040288 is a wasteful number, since it uses less digits than its factorization.

9040288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 9040288 is about 3006.7071689807. The cubic root of 9040288 is about 208.3182996441.

The spelling of 9040288 in words is "nine million, forty thousand, two hundred eighty-eight".