9968623 has 8 divisors (see below), whose sum is σ = 11521440. Its totient is φ = 8448000.

The previous prime is 9968587. The next prime is 9968627. The reversal of 9968623 is 3268699.

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-9968623 is a prime.

It is a super-2 number, since 2×9968623² = 198746889032258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9968623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9968627) 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, 7378 + ... + 8623.

It is an arithmetic number, because the mean of its divisors is an integer number (1440180).

Almost surely, 2^9968623 is an apocalyptic number.

9968623 is a deficient number, since it is larger than the sum of its proper divisors (1552817).

9968623 is a wasteful number, since it uses less digits than its factorization.

9968623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16097.

The product of its digits is 139968, while the sum is 43.

The square root of 9968623 is about 3157.3126231021. The cubic root of 9968623 is about 215.2179005922.

It can be divided in two parts, 9968 and 623, that multiplied together give a square (6210064 = 2492²).

The spelling of 9968623 in words is "nine million, nine hundred sixty-eight thousand, six hundred twenty-three".