9000002 has 16 divisors (see below), whose sum is σ = 14785632. Its totient is φ = 4074720.

The previous prime is 8999993. The next prime is 9000011. The reversal of 9000002 is 2000009.

It is an interprime number because it is at equal distance from previous prime (8999993) and next prime (9000011).

It is a Harshad number since it is a multiple of its sum of digits (11).

It is not an unprimeable number, because it can be changed into a prime (2) 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, 6233 + ... + 7539.

It is an arithmetic number, because the mean of its divisors is an integer number (924102).

Almost surely, 2^9000002 is an apocalyptic number.

9000002 is a deficient number, since it is larger than the sum of its proper divisors (5785630).

9000002 is a wasteful number, since it uses less digits than its factorization.

9000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 9000002 is about 3000.0003333333. Note that the first 3 decimals coincide. The cubic root of 9000002 is about 208.0083977132.

Adding to 9000002 its reverse (2000009), we get a palindrome (11000011).

The spelling of 9000002 in words is "nine million, two", and thus it is an aban number and an uban number.