98061893 has 2 divisors, whose sum is σ = 98061894. Its totient is φ = 98061892.

The previous prime is 98061889. The next prime is 98061911. The reversal of 98061893 is 39816089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83484769 + 14577124 = 9137^2 + 3818^2 .

It is an emirp because it is prime and its reverse (39816089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98061893 - 2² = 98061889 is a prime.

It is a super-2 number, since 2×98061893² = 19232269717486898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98061823) 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, 49030946 + 49030947.

It is an arithmetic number, because the mean of its divisors is an integer number (49030947).

Almost surely, 2^98061893 is an apocalyptic number.

It is an amenable number.

98061893 is a deficient number, since it is larger than the sum of its proper divisors (1).

98061893 is an equidigital number, since it uses as much as digits as its factorization.

98061893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 98061893 is about 9902.6205117635. The cubic root of 98061893 is about 461.1406678731.

The spelling of 98061893 in words is "ninety-eight million, sixty-one thousand, eight hundred ninety-three".