98944861 has 2 divisors, whose sum is σ = 98944862. Its totient is φ = 98944860.

The previous prime is 98944843. The next prime is 98944889. The reversal of 98944861 is 16844989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76562500 + 22382361 = 8750^2 + 4731^2 .

It is a cyclic number.

It is not a de Polignac number, because 98944861 - 2⁷ = 98944733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98944831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49472430 + 49472431.

It is an arithmetic number, because the mean of its divisors is an integer number (49472431).

Almost surely, 2^98944861 is an apocalyptic number.

It is an amenable number.

98944861 is a deficient number, since it is larger than the sum of its proper divisors (1).

98944861 is an equidigital number, since it uses as much as digits as its factorization.

98944861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 49.

The square root of 98944861 is about 9947.1031461426. The cubic root of 98944861 is about 462.5206005920.

The spelling of 98944861 in words is "ninety-eight million, nine hundred forty-four thousand, eight hundred sixty-one".