98386661 has 2 divisors, whose sum is σ = 98386662. Its totient is φ = 98386660.

The previous prime is 98386649. The next prime is 98386697. The reversal of 98386661 is 16668389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98386561 + 100 = 9919^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 98386661 - 2⁶ = 98386597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98386621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49193330 + 49193331.

It is an arithmetic number, because the mean of its divisors is an integer number (49193331).

Almost surely, 2^98386661 is an apocalyptic number.

It is an amenable number.

98386661 is a deficient number, since it is larger than the sum of its proper divisors (1).

98386661 is an equidigital number, since it uses as much as digits as its factorization.

98386661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 98386661 is about 9919.0050408294. The cubic root of 98386661 is about 461.6491858401.

The spelling of 98386661 in words is "ninety-eight million, three hundred eighty-six thousand, six hundred sixty-one".