9903000 has 64 divisors (see below), whose sum is σ = 30906720. Its totient is φ = 2640000.

The previous prime is 9902989. The next prime is 9903001. The reversal of 9903000 is 3099.

9903000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9903001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350 + ... + 4650.

Almost surely, 2^9903000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9903000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15453360).

9903000 is an abundant number, since it is smaller than the sum of its proper divisors (21003720).

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

9903000 is a wasteful number, since it uses less digits than its factorization.

9903000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 3311 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 9903000 is about 3146.9032396945. The cubic root of 9903000 is about 214.7446038950.

Adding to 9903000 its reverse (3099), we get a palindrome (9906099).

The spelling of 9903000 in words is "nine million, nine hundred three thousand".