98648237 has 2 divisors, whose sum is σ = 98648238. Its totient is φ = 98648236.

The previous prime is 98648203. The next prime is 98648243. The reversal of 98648237 is 73284689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95922436 + 2725801 = 9794^2 + 1651^2 .

It is an emirp because it is prime and its reverse (73284689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98648237 - 2²⁴ = 81871021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98648191 and 98648200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98641237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49324118 + 49324119.

It is an arithmetic number, because the mean of its divisors is an integer number (49324119).

Almost surely, 2^98648237 is an apocalyptic number.

It is an amenable number.

98648237 is a deficient number, since it is larger than the sum of its proper divisors (1).

98648237 is an equidigital number, since it uses as much as digits as its factorization.

98648237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 98648237 is about 9932.1818851650. The cubic root of 98648237 is about 462.0579454815.

The spelling of 98648237 in words is "ninety-eight million, six hundred forty-eight thousand, two hundred thirty-seven".