8749847 has 2 divisors, whose sum is σ = 8749848. Its totient is φ = 8749846.

The previous prime is 8749841. The next prime is 8749891. The reversal of 8749847 is 7489478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8749847 - 2¹⁴ = 8733463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8749841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374923 + 4374924.

It is an arithmetic number, because the mean of its divisors is an integer number (4374924).

Almost surely, 2^8749847 is an apocalyptic number.

8749847 is a deficient number, since it is larger than the sum of its proper divisors (1).

8749847 is an equidigital number, since it uses as much as digits as its factorization.

8749847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The square root of 8749847 is about 2958.0140297166. The cubic root of 8749847 is about 206.0630639231.

The spelling of 8749847 in words is "eight million, seven hundred forty-nine thousand, eight hundred forty-seven".