9999066 has 64 divisors (see below), whose sum is σ = 26044416. Its totient is φ = 2481600.

The previous prime is 9999053. The next prime is 9999071. The reversal of 9999066 is 6609999.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10156 + ... + 11096.

It is an arithmetic number, because the mean of its divisors is an integer number (406944).

Almost surely, 2^9999066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9999066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13022208).

9999066 is an abundant number, since it is smaller than the sum of its proper divisors (16045350).

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

9999066 is a wasteful number, since it uses less digits than its factorization.

9999066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 236196, while the sum is 48.

The square root of 9999066 is about 3162.1299783532. The cubic root of 9999066 is about 215.4367613210.

The spelling of 9999066 in words is "nine million, nine hundred ninety-nine thousand, sixty-six".