98641801 has 2 divisors, whose sum is σ = 98641802. Its totient is φ = 98641800.

The previous prime is 98641747. The next prime is 98641813. The reversal of 98641801 is 10814689.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98485776 + 156025 = 9924^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 98641801 - 2⁹ = 98641289 is a prime.

It is not a weakly prime, because it can be changed into another prime (98641831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49320900 + 49320901.

It is an arithmetic number, because the mean of its divisors is an integer number (49320901).

Almost surely, 2^98641801 is an apocalyptic number.

It is an amenable number.

98641801 is a deficient number, since it is larger than the sum of its proper divisors (1).

98641801 is an equidigital number, since it uses as much as digits as its factorization.

98641801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 98641801 is about 9931.8578825918. The cubic root of 98641801 is about 462.0478967477.

The spelling of 98641801 in words is "ninety-eight million, six hundred forty-one thousand, eight hundred one".