9030240 has 72 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 2407680.

The previous prime is 9030239. The next prime is 9030293. The reversal of 9030240 is 420309.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1696 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (428064).

Almost surely, 2^9030240 is an apocalyptic number.

9030240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9030240 is an abundant number, since it is smaller than the sum of its proper divisors (21790368).

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

9030240 is a wasteful number, since it uses less digits than its factorization.

9030240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 9030240 is about 3005.0357734975. The cubic root of 9030240 is about 208.2410912536.

Adding to 9030240 its reverse (420309), we get a palindrome (9450549).

The spelling of 9030240 in words is "nine million, thirty thousand, two hundred forty".