9000004 has 24 divisors (see below), whose sum is σ = 17961048. Its totient is φ = 3909120.

The previous prime is 8999993. The next prime is 9000011. The reversal of 9000004 is 4000009.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1327104 + 7672900 = 1152^2 + 2770^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4207 + ... + 5974.

It is an arithmetic number, because the mean of its divisors is an integer number (748377).

Almost surely, 2^9000004 is an apocalyptic number.

It is an amenable number.

9000004 is a deficient number, since it is larger than the sum of its proper divisors (8961044).

9000004 is a wasteful number, since it uses less digits than its factorization.

9000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215 (or 10213 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 9000004 is about 3000.0006666666. Note that the first 3 decimals coincide. The cubic root of 9000004 is about 208.0084131212.

The spelling of 9000004 in words is "nine million, four", and thus it is an aban number.