9903066 has 16 divisors (see below), whose sum is σ = 20848800. Its totient is φ = 3127248.

The previous prime is 9903059. The next prime is 9903067. The reversal of 9903066 is 6603099.

It is not an unprimeable number, because it can be changed into a prime (9903067) 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, 43321 + ... + 43548.

It is an arithmetic number, because the mean of its divisors is an integer number (1303050).

Almost surely, 2^9903066 is an apocalyptic number.

9903066 is an abundant number, since it is smaller than the sum of its proper divisors (10945734).

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

9903066 is a wasteful number, since it uses less digits than its factorization.

9903066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86893.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 9903066 is about 3146.9137261768. The cubic root of 9903066 is about 214.7450809596.

Adding to 9903066 its sum of digits (33), we get a palindrome (9903099).

The spelling of 9903066 in words is "nine million, nine hundred three thousand, sixty-six".