9641603 has 4 divisors (see below), whose sum is σ = 9805080. Its totient is φ = 9478128.

The previous prime is 9641591. The next prime is 9641617. The reversal of 9641603 is 3061469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3061469 = 103 ⋅29723.

It is a cyclic number.

It is not a de Polignac number, because 9641603 - 2²⁰ = 8593027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9641633) by changing a digit.

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, 81650 + ... + 81767.

It is an arithmetic number, because the mean of its divisors is an integer number (2451270).

Almost surely, 2^9641603 is an apocalyptic number.

9641603 is a deficient number, since it is larger than the sum of its proper divisors (163477).

9641603 is a wasteful number, since it uses less digits than its factorization.

9641603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163476.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 9641603 is about 3105.0930742894. The cubic root of 9641603 is about 212.8382837989.

The spelling of 9641603 in words is "nine million, six hundred forty-one thousand, six hundred three".