9004090 has 8 divisors (see below), whose sum is σ = 16207380. Its totient is φ = 3601632.

The previous prime is 9004087. The next prime is 9004091. The reversal of 9004090 is 904009.

It can be written as a sum of positive squares in 2 ways, for example, as 8415801 + 588289 = 2901^2 + 767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9004091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450195 + ... + 450214.

Almost surely, 2^9004090 is an apocalyptic number.

9004090 is a deficient number, since it is larger than the sum of its proper divisors (7203290).

9004090 is a wasteful number, since it uses less digits than its factorization.

9004090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900416.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9004090 is about 3000.6815892394. The cubic root of 9004090 is about 208.0398869512.

Adding to 9004090 its reverse (904009), we get a palindrome (9908099).

The spelling of 9004090 in words is "nine million, four thousand, ninety".