98386621 has 2 divisors, whose sum is σ = 98386622. Its totient is φ = 98386620.

The previous prime is 98386609. The next prime is 98386649. The reversal of 98386621 is 12668389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 99225 = 9914^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 98386621 - 2⁷ = 98386493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98386661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49193310 + 49193311.

It is an arithmetic number, because the mean of its divisors is an integer number (49193311).

Almost surely, 2^98386621 is an apocalyptic number.

It is an amenable number.

98386621 is a deficient number, since it is larger than the sum of its proper divisors (1).

98386621 is an equidigital number, since it uses as much as digits as its factorization.

98386621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 98386621 is about 9919.0030244980. The cubic root of 98386621 is about 461.6491232775.

The spelling of 98386621 in words is "ninety-eight million, three hundred eighty-six thousand, six hundred twenty-one".