8499047 has 2 divisors, whose sum is σ = 8499048. Its totient is φ = 8499046.

The previous prime is 8499041. The next prime is 8499077. The reversal of 8499047 is 7409948.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8499047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8498995 and 8499013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8499041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4249523 + 4249524.

It is an arithmetic number, because the mean of its divisors is an integer number (4249524).

Almost surely, 2^8499047 is an apocalyptic number.

8499047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8499047 is an equidigital number, since it uses as much as digits as its factorization.

8499047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 8499047 is about 2915.3125046897. The cubic root of 8499047 is about 204.0751277180.

The spelling of 8499047 in words is "eight million, four hundred ninety-nine thousand, forty-seven".