98608637 has 2 divisors, whose sum is σ = 98608638. Its totient is φ = 98608636.

The previous prime is 98608607. The next prime is 98608639. The reversal of 98608637 is 73680689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96609241 + 1999396 = 9829^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 98608637 - 2¹⁴ = 98592253 is a prime.

Together with 98608639, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 98608591 and 98608600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98608639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49304318 + 49304319.

It is an arithmetic number, because the mean of its divisors is an integer number (49304319).

Almost surely, 2^98608637 is an apocalyptic number.

It is an amenable number.

98608637 is a deficient number, since it is larger than the sum of its proper divisors (1).

98608637 is an equidigital number, since it uses as much as digits as its factorization.

98608637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 98608637 is about 9930.1881653874. The cubic root of 98608637 is about 461.9961097978.

The spelling of 98608637 in words is "ninety-eight million, six hundred eight thousand, six hundred thirty-seven".