9999102 has 32 divisors (see below), whose sum is σ = 20853792. Its totient is φ = 3193344.

The previous prime is 9999083. The next prime is 9999161. The reversal of 9999102 is 2019999.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 15898 + ... + 16514.

It is an arithmetic number, because the mean of its divisors is an integer number (651681).

Almost surely, 2^9999102 is an apocalyptic number.

9999102 is an abundant number, since it is smaller than the sum of its proper divisors (10854690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9999102 is a wasteful number, since it uses less digits than its factorization.

9999102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 13122, while the sum is 39.

The square root of 9999102 is about 3162.1356707137. The cubic root of 9999102 is about 215.4370198690.

It can be divided in two parts, 9999 and 102, that added together give a palindrome (10101).

The spelling of 9999102 in words is "nine million, nine hundred ninety-nine thousand, one hundred two".