98634 has 16 divisors (see below), whose sum is σ = 209088. Its totient is φ = 30912.

The previous prime is 98627. The next prime is 98639. The reversal of 98634 is 43689.

It is a d-powerful number, because it can be written as 9² + 8⁵ + 6 + 3⁵ + 4⁸ .

It is a Curzon number.

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

98634 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (13068).

2⁹⁸⁶³⁴ is an apocalyptic number.

98634 is an abundant number, since it is smaller than the sum of its proper divisors (110454).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104544).

98634 is a wasteful number, since it uses less digits than its factorization.

98634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989.

The product of its digits is 5184, while the sum is 30.

The square root of 98634 is about 314.0605037250. The cubic root of 98634 is about 46.2035716210.

Subtracting from 98634 its reverse (43689), we obtain a palindrome (54945).

The spelling of 98634 in words is "ninety-eight thousand, six hundred thirty-four".