9916947 has 6 divisors (see below), whose sum is σ = 14324492. Its totient is φ = 6611292.

The previous prime is 9916939. The next prime is 9916969. The reversal of 9916947 is 7496199.

It is not a de Polignac number, because 9916947 - 2³ = 9916939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9926947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550933 + ... + 550950.

Almost surely, 2^9916947 is an apocalyptic number.

9916947 is a deficient number, since it is larger than the sum of its proper divisors (4407545).

9916947 is a wasteful number, since it uses less digits than its factorization.

9916947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101889 (or 1101886 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 9916947 is about 3149.1184480740. The cubic root of 9916947 is about 214.8453692541.

The spelling of 9916947 in words is "nine million, nine hundred sixteen thousand, nine hundred forty-seven".