9995623 has 8 divisors (see below), whose sum is σ = 10930320. Its totient is φ = 9065280.

The previous prime is 9995617. The next prime is 9995647. The reversal of 9995623 is 3265999.

9995623 is digitally balanced in base 3, 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 a de Polignac number, because none of the positive numbers 2^k-9995623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9995623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995683) 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 7 ways as a sum of consecutive naturals, for example, 5461 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (1366290).

Almost surely, 2^9995623 is an apocalyptic number.

9995623 is a deficient number, since it is larger than the sum of its proper divisors (934697).

9995623 is a wasteful number, since it uses less digits than its factorization.

9995623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177.

The product of its digits is 131220, while the sum is 43.

The square root of 9995623 is about 3161.5855199567. The cubic root of 9995623 is about 215.4120312138.

The spelling of 9995623 in words is "nine million, nine hundred ninety-five thousand, six hundred twenty-three".