98005638 has 16 divisors (see below), whose sum is σ = 196116480. Its totient is φ = 32651016.

The previous prime is 98005597. The next prime is 98005679. The reversal of 98005638 is 83650089.

It is an interprime number because it is at equal distance from previous prime (98005597) and next prime (98005679).

It is a junction number, because it is equal to n+sod(n) for n = 98005596 and 98005605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13083 + ... + 19161.

It is an arithmetic number, because the mean of its divisors is an integer number (12257280).

Almost surely, 2^98005638 is an apocalyptic number.

98005638 is an abundant number, since it is smaller than the sum of its proper divisors (98110842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98005638 is a wasteful number, since it uses less digits than its factorization.

98005638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 98005638 is about 9899.7796945185. The cubic root of 98005638 is about 461.0524704104.

The spelling of 98005638 in words is "ninety-eight million, five thousand, six hundred thirty-eight".