98635 has 4 divisors (see below), whose sum is σ = 118368. Its totient is φ = 78904.

The previous prime is 98627. The next prime is 98639. The reversal of 98635 is 53689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53689 = 53 ⋅1013.

It is a cyclic number.

It is not a de Polignac number, because 98635 - 2³ = 98627 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98597 and 98606.

It is not an unprimeable number, because it can be changed into a prime (98639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9859 + ... + 9868.

It is an arithmetic number, because the mean of its divisors is an integer number (29592).

2⁹⁸⁶³⁵ is an apocalyptic number.

98635 is a deficient number, since it is larger than the sum of its proper divisors (19733).

98635 is a wasteful number, since it uses less digits than its factorization.

98635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19732.

The product of its digits is 6480, while the sum is 31.

The square root of 98635 is about 314.0620957709. The cubic root of 98635 is about 46.2037277653.

The spelling of 98635 in words is "ninety-eight thousand, six hundred thirty-five".