98881 has 4 divisors (see below), whose sum is σ = 100564. Its totient is φ = 97200.

The previous prime is 98873. The next prime is 98887. The reversal of 98881 is 18889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18889 = 13 ⋅1453.

It can be written as a sum of positive squares in 2 ways, for example, as 33856 + 65025 = 184^2 + 255^2 .

It is a 5-Lehmer number, since φ(98881) divides (98881-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 98881 - 2³ = 98873 is a prime.

It is a super-2 number, since 2×98881² = 19554904322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750 + ... + 871.

It is an arithmetic number, because the mean of its divisors is an integer number (25141).

2⁹⁸⁸⁸¹ is an apocalyptic number.

It is an amenable number.

98881 is a deficient number, since it is larger than the sum of its proper divisors (1683).

98881 is a wasteful number, since it uses less digits than its factorization.

98881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its digits is 4608, while the sum is 34.

The square root of 98881 is about 314.4534941768. The cubic root of 98881 is about 46.2421072482.

It can be divided in two parts, 9888 and 1, that added together give a palindrome (9889).

The spelling of 98881 in words is "ninety-eight thousand, eight hundred eighty-one".