9663427 has 4 divisors (see below), whose sum is σ = 10083600. Its totient is φ = 9243256.

The previous prime is 9663403. The next prime is 9663449. The reversal of 9663427 is 7243669.

9663427 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 is a cyclic number.

It is not a de Polignac number, because 9663427 - 2⁷ = 9663299 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁷ + 6⁶ + 6⁶ + 3¹⁴ + 4⁶ + 2⁵ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9663127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210052 + ... + 210097.

It is an arithmetic number, because the mean of its divisors is an integer number (2520900).

Almost surely, 2^9663427 is an apocalyptic number.

9663427 is a deficient number, since it is larger than the sum of its proper divisors (420173).

9663427 is a wasteful number, since it uses less digits than its factorization.

9663427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420172.

The product of its digits is 54432, while the sum is 37.

The square root of 9663427 is about 3108.6053142848. The cubic root of 9663427 is about 212.9987509754.

The spelling of 9663427 in words is "nine million, six hundred sixty-three thousand, four hundred twenty-seven".