9681903 has 32 divisors (see below), whose sum is σ = 17886720. Its totient is φ = 5028480.

The previous prime is 9681899. The next prime is 9681907. The reversal of 9681903 is 3091869.

It is an interprime number because it is at equal distance from previous prime (9681899) and next prime (9681907).

It is not a de Polignac number, because 9681903 - 2² = 9681899 is a prime.

9681903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250 + ... + 4407.

It is an arithmetic number, because the mean of its divisors is an integer number (558960).

Almost surely, 2^9681903 is an apocalyptic number.

9681903 is a deficient number, since it is larger than the sum of its proper divisors (8204817).

9681903 is a wasteful number, since it uses less digits than its factorization.

9681903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684 (or 4678 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9681903 is about 3111.5756458746. The cubic root of 9681903 is about 213.1344122857.

The spelling of 9681903 in words is "nine million, six hundred eighty-one thousand, nine hundred three".