9726623 has 2 divisors, whose sum is σ = 9726624. Its totient is φ = 9726622.

The previous prime is 9726617. The next prime is 9726649. The reversal of 9726623 is 3266279.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3266279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9726623 - 2¹⁶ = 9661087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9726683) 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 as a sum of consecutive naturals, namely, 4863311 + 4863312.

It is an arithmetic number, because the mean of its divisors is an integer number (4863312).

Almost surely, 2^9726623 is an apocalyptic number.

9726623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9726623 is an equidigital number, since it uses as much as digits as its factorization.

9726623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 9726623 is about 3118.7534368719. The cubic root of 9726623 is about 213.4620590840.

The spelling of 9726623 in words is "nine million, seven hundred twenty-six thousand, six hundred twenty-three".