9491047 has 2 divisors, whose sum is σ = 9491048. Its totient is φ = 9491046.

The previous prime is 9491029. The next prime is 9491077. The reversal of 9491047 is 7401949.

It is a weak prime.

It is an emirp because it is prime and its reverse (7401949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9491047 - 2⁷ = 9490919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9491017) 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 as a sum of consecutive naturals, namely, 4745523 + 4745524.

It is an arithmetic number, because the mean of its divisors is an integer number (4745524).

Almost surely, 2^9491047 is an apocalyptic number.

9491047 is a deficient number, since it is larger than the sum of its proper divisors (1).

9491047 is an equidigital number, since it uses as much as digits as its factorization.

9491047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 9491047 is about 3080.7542907541. The cubic root of 9491047 is about 211.7246261460.

The spelling of 9491047 in words is "nine million, four hundred ninety-one thousand, forty-seven".