96998621 has 2 divisors, whose sum is σ = 96998622. Its totient is φ = 96998620.

The previous prime is 96998593. The next prime is 96998633. The reversal of 96998621 is 12689969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61058596 + 35940025 = 7814^2 + 5995^2 .

It is an emirp because it is prime and its reverse (12689969) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96998621 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 96998621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96998641) 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, 48499310 + 48499311.

It is an arithmetic number, because the mean of its divisors is an integer number (48499311).

Almost surely, 2^96998621 is an apocalyptic number.

It is an amenable number.

96998621 is a deficient number, since it is larger than the sum of its proper divisors (1).

96998621 is an equidigital number, since it uses as much as digits as its factorization.

96998621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 50.

The square root of 96998621 is about 9848.7877934292. The cubic root of 96998621 is about 459.4679118590.

The spelling of 96998621 in words is "ninety-six million, nine hundred ninety-eight thousand, six hundred twenty-one".