8998963 has 2 divisors, whose sum is σ = 8998964. Its totient is φ = 8998962.

The previous prime is 8998921. The next prime is 8998987. The reversal of 8998963 is 3698998.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8998963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8998963.

It is not a weakly prime, because it can be changed into another prime (8998063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499481 + 4499482.

It is an arithmetic number, because the mean of its divisors is an integer number (4499482).

Almost surely, 2^8998963 is an apocalyptic number.

8998963 is a deficient number, since it is larger than the sum of its proper divisors (1).

8998963 is an equidigital number, since it uses as much as digits as its factorization.

8998963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 52.

The square root of 8998963 is about 2999.8271616878. The cubic root of 8998963 is about 208.0003929356. Note that the first 3 decimals are identical.

The spelling of 8998963 in words is "eight million, nine hundred ninety-eight thousand, nine hundred sixty-three".