98155 has 8 divisors (see below), whose sum is σ = 119952. Its totient is φ = 77088.

The previous prime is 98143. The next prime is 98179. The reversal of 98155 is 55189.

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

It is a cyclic number.

It is not a de Polignac number, because 98155 - 2⁵ = 98123 is a prime.

It is a Duffinian number.

98155 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189 + ... + 481.

It is an arithmetic number, because the mean of its divisors is an integer number (14994).

2⁹⁸¹⁵⁵ is an apocalyptic number.

98155 is a deficient number, since it is larger than the sum of its proper divisors (21797).

98155 is a wasteful number, since it uses less digits than its factorization.

98155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its digits is 1800, while the sum is 28.

The square root of 98155 is about 313.2969837072. The cubic root of 98155 is about 46.1286568390.

Multiplying 98155 by its sum of digits (28), we get a triangular number (2748340 = T₂₃₄₄).

It can be divided in two parts, 98 and 155, that added together give a triangular number (253 = T₂₂).

The spelling of 98155 in words is "ninety-eight thousand, one hundred fifty-five".