9963601 has 4 divisors (see below), whose sum is σ = 9992500. Its totient is φ = 9934704.

The previous prime is 9963587. The next prime is 9963641. The reversal of 9963601 is 1063699.

9963601 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 4511376 + 5452225 = 2124^2 + 2335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9963601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9963641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13926 + ... + 14623.

It is an arithmetic number, because the mean of its divisors is an integer number (2498125).

Almost surely, 2^9963601 is an apocalyptic number.

It is an amenable number.

9963601 is a deficient number, since it is larger than the sum of its proper divisors (28899).

9963601 is a wasteful number, since it uses less digits than its factorization.

9963601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28898.

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

The square root of 9963601 is about 3156.5172263113. The cubic root of 9963601 is about 215.1817536457.

The spelling of 9963601 in words is "nine million, nine hundred sixty-three thousand, six hundred one".