98719 has 4 divisors (see below), whose sum is σ = 104544. Its totient is φ = 92896.

The previous prime is 98717. The next prime is 98729. The reversal of 98719 is 91789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91789 = 19 ⋅4831.

It is a cyclic number.

It is not a de Polignac number, because 98719 - 2¹ = 98717 is a prime.

It is a super-2 number, since 2×98719² = 19490881922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98711) 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, 2887 + ... + 2920.

It is an arithmetic number, because the mean of its divisors is an integer number (26136).

2⁹⁸⁷¹⁹ is an apocalyptic number.

98719 is a deficient number, since it is larger than the sum of its proper divisors (5825).

98719 is a wasteful number, since it uses less digits than its factorization.

98719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824.

The product of its digits is 4536, while the sum is 34.

The square root of 98719 is about 314.1957988261. The cubic root of 98719 is about 46.2168401220.

The spelling of 98719 in words is "ninety-eight thousand, seven hundred nineteen".