98236447 has 2 divisors, whose sum is σ = 98236448. Its totient is φ = 98236446.

The previous prime is 98236433. The next prime is 98236477. The reversal of 98236447 is 74463289.

It is a weak prime.

It is an emirp because it is prime and its reverse (74463289) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98236447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98236477) 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, 49118223 + 49118224.

It is an arithmetic number, because the mean of its divisors is an integer number (49118224).

Almost surely, 2^98236447 is an apocalyptic number.

98236447 is a deficient number, since it is larger than the sum of its proper divisors (1).

98236447 is an equidigital number, since it uses as much as digits as its factorization.

98236447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 98236447 is about 9911.4301188073. The cubic root of 98236447 is about 461.4141218182.

The spelling of 98236447 in words is "ninety-eight million, two hundred thirty-six thousand, four hundred forty-seven".