9903900 has 36 divisors (see below), whose sum is σ = 28656152. Its totient is φ = 2640960.

The previous prime is 9903871. The next prime is 9903913. The reversal of 9903900 is 93099.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 11 ways as a sum of consecutive naturals, for example, 16207 + ... + 16806.

Almost surely, 2^9903900 is an apocalyptic number.

It is an amenable number.

9903900 is an abundant number, since it is smaller than the sum of its proper divisors (18752252).

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

9903900 is a wasteful number, since it uses less digits than its factorization.

9903900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33030 (or 33023 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 30.

The square root of 9903900 is about 3147.0462341694. The cubic root of 9903900 is about 214.7511091388.

Adding to 9903900 its reverse (93099), we get a palindrome (9996999).

The spelling of 9903900 in words is "nine million, nine hundred three thousand, nine hundred".