9903049 has 4 divisors (see below), whose sum is σ = 10664836. Its totient is φ = 9141264.

The previous prime is 9903037. The next prime is 9903059. The reversal of 9903049 is 9403099.

9903049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2975625 + 6927424 = 1725^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 9903049 - 2⁹ = 9902537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9903059) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 380874 + ... + 380899.

It is an arithmetic number, because the mean of its divisors is an integer number (2666209).

Almost surely, 2^9903049 is an apocalyptic number.

It is an amenable number.

9903049 is a deficient number, since it is larger than the sum of its proper divisors (761787).

9903049 is a wasteful number, since it uses less digits than its factorization.

9903049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761786.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 9903049 is about 3146.9110251165. The cubic root of 9903049 is about 214.7449580795.

The spelling of 9903049 in words is "nine million, nine hundred three thousand, forty-nine".