9747923 has 2 divisors, whose sum is σ = 9747924. Its totient is φ = 9747922.

The previous prime is 9747917. The next prime is 9747943. The reversal of 9747923 is 3297479.

It is a weak prime.

It is an emirp because it is prime and its reverse (3297479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9747923 - 2⁸ = 9747667 is a prime.

It is a d-powerful number, because it can be written as 9³ + 7⁷ + 4¹⁰ + 7⁸ + 9⁴ + 2²¹ + 3⁸ .

It is not a weakly prime, because it can be changed into another prime (9747943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4873961 + 4873962.

It is an arithmetic number, because the mean of its divisors is an integer number (4873962).

Almost surely, 2^9747923 is an apocalyptic number.

9747923 is a deficient number, since it is larger than the sum of its proper divisors (1).

9747923 is an equidigital number, since it uses as much as digits as its factorization.

9747923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 41.

The square root of 9747923 is about 3122.1663953095. The cubic root of 9747923 is about 213.6177632433.

The spelling of 9747923 in words is "nine million, seven hundred forty-seven thousand, nine hundred twenty-three".