9957047 has 2 divisors, whose sum is σ = 9957048. Its totient is φ = 9957046.

The previous prime is 9957043. The next prime is 9957061. The reversal of 9957047 is 7407599.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9957047 - 2² = 9957043 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9956995 and 9957013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9957043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4978523 + 4978524.

It is an arithmetic number, because the mean of its divisors is an integer number (4978524).

Almost surely, 2^9957047 is an apocalyptic number.

9957047 is a deficient number, since it is larger than the sum of its proper divisors (1).

9957047 is an equidigital number, since it uses as much as digits as its factorization.

9957047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 9957047 is about 3155.4788860013. The cubic root of 9957047 is about 215.1345615192.

The spelling of 9957047 in words is "nine million, nine hundred fifty-seven thousand, forty-seven".