9976947 has 8 divisors (see below), whose sum is σ = 13731840. Its totient is φ = 6436680.

The previous prime is 9976937. The next prime is 9977021. The reversal of 9976947 is 7496799.

9976947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9976947 - 2⁷ = 9976819 is a prime.

It is a d-powerful number, because it can be written as 9 + 9² + 7⁵ + 6³ + 9³ + 4¹¹ + 7⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 9976947.

It is not an unprimeable number, because it can be changed into a prime (9976927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53547 + ... + 53732.

It is an arithmetic number, because the mean of its divisors is an integer number (1716480).

Almost surely, 2^9976947 is an apocalyptic number.

9976947 is a deficient number, since it is larger than the sum of its proper divisors (3754893).

9976947 is a wasteful number, since it uses less digits than its factorization.

9976947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107313.

The product of its digits is 857304, while the sum is 51.

The square root of 9976947 is about 3158.6305576943. The cubic root of 9976947 is about 215.2777876798.

The spelling of 9976947 in words is "nine million, nine hundred seventy-six thousand, nine hundred forty-seven".