98641 has 2 divisors, whose sum is σ = 98642. Its totient is φ = 98640.
The previous prime is 98639. The next prime is 98663. The reversal of 98641 is 14689.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 87616 + 11025 = 296^2 + 105^2 .
It is a cyclic number.
It is not a de Polignac number, because 98641 - 21 = 98639 is a prime.
Together with 98639, it forms a pair of twin primes.
It is a nialpdrome in base 10.
It is not a weakly prime, because it can be changed into another prime (98621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49320 + 49321.
It is an arithmetic number, because the mean of its divisors is an integer number (49321).
298641 is an apocalyptic number.
It is an amenable number.
98641 is a deficient number, since it is larger than the sum of its proper divisors (1).
98641 is an equidigital number, since it uses as much as digits as its factorization.
98641 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1728, while the sum is 28.
The square root of 98641 is about 314.0716478767. The cubic root of 98641 is about 46.2046646090.
The spelling of 98641 in words is "ninety-eight thousand, six hundred forty-one".
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