9903130 has 8 divisors (see below), whose sum is σ = 17825652. Its totient is φ = 3961248.

The previous prime is 9903109. The next prime is 9903149. The reversal of 9903130 is 313099.

It can be written as a sum of positive squares in 2 ways, for example, as 9865881 + 37249 = 3141^2 + 193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9903095 and 9903104.

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 3 ways as a sum of consecutive naturals, for example, 495147 + ... + 495166.

Almost surely, 2^9903130 is an apocalyptic number.

9903130 is a deficient number, since it is larger than the sum of its proper divisors (7922522).

9903130 is a wasteful number, since it uses less digits than its factorization.

9903130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990320.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 9903130 is about 3146.9238948535. The cubic root of 9903130 is about 214.7455435656.

The spelling of 9903130 in words is "nine million, nine hundred three thousand, one hundred thirty".