98374921 has 2 divisors, whose sum is σ = 98374922. Its totient is φ = 98374920.

The previous prime is 98374907. The next prime is 98374957. The reversal of 98374921 is 12947389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62805625 + 35569296 = 7925^2 + 5964^2 .

It is a cyclic number.

It is not a de Polignac number, because 98374921 - 2¹¹ = 98372873 is a prime.

It is not a weakly prime, because it can be changed into another prime (98374021) 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, 49187460 + 49187461.

It is an arithmetic number, because the mean of its divisors is an integer number (49187461).

Almost surely, 2^98374921 is an apocalyptic number.

It is an amenable number.

98374921 is a deficient number, since it is larger than the sum of its proper divisors (1).

98374921 is an equidigital number, since it uses as much as digits as its factorization.

98374921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 98374921 is about 9918.4132299476. The cubic root of 98374921 is about 461.6308229951.

The spelling of 98374921 in words is "ninety-eight million, three hundred seventy-four thousand, nine hundred twenty-one".