98374021 has 2 divisors, whose sum is σ = 98374022. Its totient is φ = 98374020.

The previous prime is 98373991. The next prime is 98374027. The reversal of 98374021 is 12047389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95765796 + 2608225 = 9786^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 98374021 - 2⁷ = 98373893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98374027) 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, 49187010 + 49187011.

It is an arithmetic number, because the mean of its divisors is an integer number (49187011).

Almost surely, 2^98374021 is an apocalyptic number.

It is an amenable number.

98374021 is a deficient number, since it is larger than the sum of its proper divisors (1).

98374021 is an equidigital number, since it uses as much as digits as its factorization.

98374021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 98374021 is about 9918.3678596834. The cubic root of 98374021 is about 461.6294152209.

The spelling of 98374021 in words is "ninety-eight million, three hundred seventy-four thousand, twenty-one".