98401393 has 2 divisors, whose sum is σ = 98401394. Its totient is φ = 98401392.

The previous prime is 98401367. The next prime is 98401403. The reversal of 98401393 is 39310489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97772544 + 628849 = 9888^2 + 793^2 .

It is an emirp because it is prime and its reverse (39310489) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98401393 is a prime.

It is equal to p_5674735 and since 98401393 and 5674735 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (98401313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49200696 + 49200697.

It is an arithmetic number, because the mean of its divisors is an integer number (49200697).

Almost surely, 2^98401393 is an apocalyptic number.

It is an amenable number.

98401393 is a deficient number, since it is larger than the sum of its proper divisors (1).

98401393 is an equidigital number, since it uses as much as digits as its factorization.

98401393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 98401393 is about 9919.7476278381. The cubic root of 98401393 is about 461.6722264851.

The spelling of 98401393 in words is "ninety-eight million, four hundred one thousand, three hundred ninety-three".