9001004 has 24 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 4275920.

The previous prime is 9001001. The next prime is 9001033. The reversal of 9001004 is 4001009.

It is a self number, because there is not a number n which added to its sum of digits gives 9001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9001001) 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, 20669 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^9001004 is an apocalyptic number.

It is an amenable number.

9001004 is a deficient number, since it is larger than the sum of its proper divisors (7546324).

9001004 is a wasteful number, since it uses less digits than its factorization.

9001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 9001004 is about 3000.1673286669. The cubic root of 9001004 is about 208.0161168478.

The spelling of 9001004 in words is "nine million, one thousand, four".