9663623 has 8 divisors (see below), whose sum is σ = 10137792. Its totient is φ = 9200736.

The previous prime is 9663587. The next prime is 9663629. The reversal of 9663623 is 3263669.

9663623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9663623 - 2¹⁶ = 9598087 is a prime.

It is a super-2 number, since 2×9663623² = 186771218972258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9663629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040 + ... + 4517.

It is an arithmetic number, because the mean of its divisors is an integer number (1267224).

Almost surely, 2^9663623 is an apocalyptic number.

9663623 is a deficient number, since it is larger than the sum of its proper divisors (474169).

9663623 is a wasteful number, since it uses less digits than its factorization.

9663623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641.

The product of its digits is 34992, while the sum is 35.

The square root of 9663623 is about 3108.6368395166. The cubic root of 9663623 is about 213.0001910260. Note that the first 3 decimals are identical.

The spelling of 9663623 in words is "nine million, six hundred sixty-three thousand, six hundred twenty-three".