98845 has 8 divisors (see below), whose sum is σ = 121176. Its totient is φ = 77376.

The previous prime is 98837. The next prime is 98849. The reversal of 98845 is 54889.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 79524 = 139^2 + 282^2 .

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 98845 - 2³ = 98837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98849) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (15147).

2⁹⁸⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

98845 is a deficient number, since it is larger than the sum of its proper divisors (22331).

98845 is a wasteful number, since it uses less digits than its factorization.

98845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its digits is 11520, while the sum is 34.

The square root of 98845 is about 314.3962467969. The cubic root of 98845 is about 46.2364947176.

Subtracting from 98845 its reverse (54889), we obtain a triangular number (43956 = T₂₉₆).

It can be divided in two parts, 9884 and 5, that added together give a palindrome (9889).

The spelling of 98845 in words is "ninety-eight thousand, eight hundred forty-five".