8098621 has 2 divisors, whose sum is σ = 8098622. Its totient is φ = 8098620.

The previous prime is 8098619. The next prime is 8098637. The reversal of 8098621 is 1268908.

8098621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6832996 + 1265625 = 2614^2 + 1125^2 .

It is a cyclic number.

It is not a de Polignac number, because 8098621 - 2¹ = 8098619 is a prime.

Together with 8098619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8098661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4049310 + 4049311.

It is an arithmetic number, because the mean of its divisors is an integer number (4049311).

Almost surely, 2^8098621 is an apocalyptic number.

It is an amenable number.

8098621 is a deficient number, since it is larger than the sum of its proper divisors (1).

8098621 is an equidigital number, since it uses as much as digits as its factorization.

8098621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 8098621 is about 2845.8076182342. The cubic root of 8098621 is about 200.8184874885.

The spelling of 8098621 in words is "eight million, ninety-eight thousand, six hundred twenty-one".