9115040 has 48 divisors (see below), whose sum is σ = 23496480. Its totient is φ = 3313920.

The previous prime is 9115033. The next prime is 9115049. The reversal of 9115040 is 405119.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (9115049) 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, 830 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (489510).

Almost surely, 2^9115040 is an apocalyptic number.

It is an amenable number.

9115040 is an abundant number, since it is smaller than the sum of its proper divisors (14381440).

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

9115040 is a wasteful number, since it uses less digits than its factorization.

9115040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205 (or 5197 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 9115040 is about 3019.1124523608. The cubic root of 9115040 is about 208.8909025173.

The spelling of 9115040 in words is "nine million, one hundred fifteen thousand, forty".