98389393 has 2 divisors, whose sum is σ = 98389394. Its totient is φ = 98389392.

The previous prime is 98389367. The next prime is 98389409. The reversal of 98389393 is 39398389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60652944 + 37736449 = 7788^2 + 6143^2 .

It is an emirp because it is prime and its reverse (39398389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98389393 - 2¹³ = 98381201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98389393.

It is not a weakly prime, because it can be changed into another prime (98389303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49194696 + 49194697.

It is an arithmetic number, because the mean of its divisors is an integer number (49194697).

Almost surely, 2^98389393 is an apocalyptic number.

It is an amenable number.

98389393 is a deficient number, since it is larger than the sum of its proper divisors (1).

98389393 is an equidigital number, since it uses as much as digits as its factorization.

98389393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 52.

The square root of 98389393 is about 9919.1427552990. The cubic root of 98389393 is about 461.6534588242.

The spelling of 98389393 in words is "ninety-eight million, three hundred eighty-nine thousand, three hundred ninety-three".