9939963 has 8 divisors (see below), whose sum is σ = 14458176. Its totient is φ = 6024200.

The previous prime is 9939961. The next prime is 9939971. The reversal of 9939963 is 3699399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9939963 - 2¹ = 9939961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9939961) 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 7 ways as a sum of consecutive naturals, for example, 150573 + ... + 150638.

It is an arithmetic number, because the mean of its divisors is an integer number (1807272).

Almost surely, 2^9939963 is an apocalyptic number.

9939963 is a deficient number, since it is larger than the sum of its proper divisors (4518213).

9939963 is a wasteful number, since it uses less digits than its factorization.

9939963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301225.

The product of its digits is 354294, while the sum is 48.

The square root of 9939963 is about 3152.7706862377. The cubic root of 9939963 is about 215.0114506250.

The spelling of 9939963 in words is "nine million, nine hundred thirty-nine thousand, nine hundred sixty-three".