9900002 has 8 divisors (see below), whose sum is σ = 16971456. Its totient is φ = 4242852.

The previous prime is 9899999. The next prime is 9900047. The reversal of 9900002 is 2000099.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353558 + ... + 353585.

It is an arithmetic number, because the mean of its divisors is an integer number (2121432).

Almost surely, 2^9900002 is an apocalyptic number.

9900002 is a deficient number, since it is larger than the sum of its proper divisors (7071454).

9900002 is a wasteful number, since it uses less digits than its factorization.

9900002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707152.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 9900002 is about 3146.4268623313. The cubic root of 9900002 is about 214.7229313613.

It can be divided in two parts, 9 and 900002, that multiplied together give a palindrome (8100018).

The spelling of 9900002 in words is "nine million, nine hundred thousand, two".