98993593 has 2 divisors, whose sum is σ = 98993594. Its totient is φ = 98993592.

The previous prime is 98993569. The next prime is 98993599. The reversal of 98993593 is 39539989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87104889 + 11888704 = 9333^2 + 3448^2 .

It is an emirp because it is prime and its reverse (39539989) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98993593 is a prime.

It is not a weakly prime, because it can be changed into another prime (98993599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49496796 + 49496797.

It is an arithmetic number, because the mean of its divisors is an integer number (49496797).

Almost surely, 2^98993593 is an apocalyptic number.

It is an amenable number.

98993593 is a deficient number, since it is larger than the sum of its proper divisors (1).

98993593 is an equidigital number, since it uses as much as digits as its factorization.

98993593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2361960, while the sum is 55.

The square root of 98993593 is about 9949.5524019928. The cubic root of 98993593 is about 462.5965211749.

The spelling of 98993593 in words is "ninety-eight million, nine hundred ninety-three thousand, five hundred ninety-three".