93998563 has 2 divisors, whose sum is σ = 93998564. Its totient is φ = 93998562.

The previous prime is 93998501. The next prime is 93998581. The reversal of 93998563 is 36589939.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 93998563 - 2¹³ = 93990371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93998563.

It is not a weakly prime, because it can be changed into another prime (93998063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46999281 + 46999282.

It is an arithmetic number, because the mean of its divisors is an integer number (46999282).

Almost surely, 2^93998563 is an apocalyptic number.

93998563 is a deficient number, since it is larger than the sum of its proper divisors (1).

93998563 is an equidigital number, since it uses as much as digits as its factorization.

93998563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 52.

The square root of 93998563 is about 9695.2856069329. The cubic root of 93998563 is about 454.6812774143.

The spelling of 93998563 in words is "ninety-three million, nine hundred ninety-eight thousand, five hundred sixty-three".