9004169 has 4 divisors (see below), whose sum is σ = 9533844. Its totient is φ = 8474496.

The previous prime is 9004147. The next prime is 9004189. The reversal of 9004169 is 9614009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9614009 = 479 ⋅20071.

It can be written as a sum of positive squares in 2 ways, for example, as 5004169 + 4000000 = 2237^2 + 2000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9004169 is a prime.

It is a super-2 number, since 2×9004169² = 162150118761122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9004189) 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, 264812 + ... + 264845.

It is an arithmetic number, because the mean of its divisors is an integer number (2383461).

Almost surely, 2^9004169 is an apocalyptic number.

It is an amenable number.

9004169 is a deficient number, since it is larger than the sum of its proper divisors (529675).

9004169 is a wasteful number, since it uses less digits than its factorization.

9004169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529674.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9004169 is about 3000.6947528864. The cubic root of 9004169 is about 208.0404953822.

The spelling of 9004169 in words is "nine million, four thousand, one hundred sixty-nine".