9948947 has 2 divisors, whose sum is σ = 9948948. Its totient is φ = 9948946.

The previous prime is 9948941. The next prime is 9948971. The reversal of 9948947 is 7498499.

It is a weak prime.

It is an emirp because it is prime and its reverse (7498499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9948947 - 2⁴ = 9948931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9948895 and 9948904.

It is not a weakly prime, because it can be changed into another prime (9948941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4974473 + 4974474.

It is an arithmetic number, because the mean of its divisors is an integer number (4974474).

Almost surely, 2^9948947 is an apocalyptic number.

9948947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9948947 is an equidigital number, since it uses as much as digits as its factorization.

9948947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 9948947 is about 3154.1951429802. The cubic root of 9948947 is about 215.0762087870.

The spelling of 9948947 in words is "nine million, nine hundred forty-eight thousand, nine hundred forty-seven".