9984000947 has 2 divisors, whose sum is σ = 9984000948. Its totient is φ = 9984000946.

The previous prime is 9984000937. The next prime is 9984000953. The reversal of 9984000947 is 7490004899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9984000947 - 2¹² = 9983996851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9984000895 and 9984000904.

It is not a weakly prime, because it can be changed into another prime (9984000937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992000473 + 4992000474.

It is an arithmetic number, because the mean of its divisors is an integer number (4992000474).

Almost surely, 2^9984000947 is an apocalyptic number.

9984000947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9984000947 is an equidigital number, since it uses as much as digits as its factorization.

9984000947 is an evil number, because the sum of its binary digits is even.

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

The square root of 9984000947 is about 99919.9727131668. The cubic root of 9984000947 is about 2153.2851129159.

The spelling of 9984000947 in words is "nine billion, nine hundred eighty-four million, nine hundred forty-seven", and thus it is an aban number.