98178 has 8 divisors (see below), whose sum is σ = 196368. Its totient is φ = 32724.

The previous prime is 98143. The next prime is 98179. The reversal of 98178 is 87189.

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

98178 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (98179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8176 + ... + 8187.

It is an arithmetic number, because the mean of its divisors is an integer number (24546).

2⁹⁸¹⁷⁸ is an apocalyptic number.

98178 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 (98184).

98178 is a wasteful number, since it uses less digits than its factorization.

98178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368.

The product of its digits is 4032, while the sum is 33.

The square root of 98178 is about 313.3336879431. Note that the first 3 decimals coincide. The cubic root of 98178 is about 46.1322595634.

It can be divided in two parts, 98 and 178, that added together give a triangular number (276 = T₂₃).

The spelling of 98178 in words is "ninety-eight thousand, one hundred seventy-eight".