98958 has 8 divisors (see below), whose sum is σ = 197928. Its totient is φ = 32984.

The previous prime is 98953. The next prime is 98963. The reversal of 98958 is 85989.

It is an interprime number because it is at equal distance from previous prime (98953) and next prime (98963).

It is a sphenic number, since it is the product of 3 distinct primes.

98958 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98953) by changing a digit.

98958 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 8241 + ... + 8252.

It is an arithmetic number, because the mean of its divisors is an integer number (24741).

2⁹⁸⁹⁵⁸ is an apocalyptic number.

98958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (98964).

98958 is a wasteful number, since it uses less digits than its factorization.

98958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16498.

The product of its digits is 25920, while the sum is 39.

The square root of 98958 is about 314.5759049896. The cubic root of 98958 is about 46.2541072564.

The spelling of 98958 in words is "ninety-eight thousand, nine hundred fifty-eight".