98658 has 48 divisors (see below), whose sum is σ = 262080. Its totient is φ = 27216.

The previous prime is 98641. The next prime is 98663. The reversal of 98658 is 85689.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3388 + ... + 3416.

It is an arithmetic number, because the mean of its divisors is an integer number (5460).

2⁹⁸⁶⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131040).

98658 is an abundant number, since it is smaller than the sum of its proper divisors (163422).

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

98658 is a wasteful number, since it uses less digits than its factorization.

98658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 41 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 98658 is about 314.0987105991. The cubic root of 98658 is about 46.2073187933.

The spelling of 98658 in words is "ninety-eight thousand, six hundred fifty-eight".