8998747 has 2 divisors, whose sum is σ = 8998748. Its totient is φ = 8998746.

The previous prime is 8998709. The next prime is 8998757. The reversal of 8998747 is 7478998.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8998747 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8998694 and 8998703.

It is not a weakly prime, because it can be changed into another prime (8998757) 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, 4499373 + 4499374.

It is an arithmetic number, because the mean of its divisors is an integer number (4499374).

Almost surely, 2^8998747 is an apocalyptic number.

8998747 is a deficient number, since it is larger than the sum of its proper divisors (1).

8998747 is an equidigital number, since it uses as much as digits as its factorization.

8998747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The square root of 8998747 is about 2999.7911593976. The cubic root of 8998747 is about 207.9987287274.

The spelling of 8998747 in words is "eight million, nine hundred ninety-eight thousand, seven hundred forty-seven".