9001330 has 32 divisors (see below), whose sum is σ = 18479664. Its totient is φ = 3127296.

The previous prime is 9001301. The next prime is 9001337. The reversal of 9001330 is 331009.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1640961 + 7360369 = 1281^2 + 2713^2 .

It is not an unprimeable number, because it can be changed into a prime (9001337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174 + ... + 4246.

Almost surely, 2^9001330 is an apocalyptic number.

9001330 is an abundant number, since it is smaller than the sum of its proper divisors (9478334).

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

9001330 is a wasteful number, since it uses less digits than its factorization.

9001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 9001330 is about 3000.2216584779. The cubic root of 9001330 is about 208.0186281393.

Adding to 9001330 its reverse (331009), we get a palindrome (9332339).

The spelling of 9001330 in words is "nine million, one thousand, three hundred thirty".