9803663 has 4 divisors (see below), whose sum is σ = 9927840. Its totient is φ = 9679488.

The previous prime is 9803623. The next prime is 9803669. The reversal of 9803663 is 3663089.

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

It is a cyclic number.

It is not a de Polignac number, because 9803663 - 2¹² = 9799567 is a prime.

It is a super-3 number, since 3×9803663³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9803669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61970 + ... + 62127.

It is an arithmetic number, because the mean of its divisors is an integer number (2481960).

Almost surely, 2^9803663 is an apocalyptic number.

9803663 is a deficient number, since it is larger than the sum of its proper divisors (124177).

9803663 is a wasteful number, since it uses less digits than its factorization.

9803663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124176.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 9803663 is about 3131.0801650549. The cubic root of 9803663 is about 214.0241551329.

The spelling of 9803663 in words is "nine million, eight hundred three thousand, six hundred sixty-three".