98819 has 8 divisors (see below), whose sum is σ = 119040. Its totient is φ = 80136.

The previous prime is 98809. The next prime is 98837. The reversal of 98819 is 91889.

It is a happy number.

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

It is not a de Polignac number, because 98819 - 2⁸ = 98563 is a prime.

It is a super-2 number, since 2×98819² = 19530389522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98809) 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 7 ways as a sum of consecutive naturals, for example, 239 + ... + 504.

It is an arithmetic number, because the mean of its divisors is an integer number (14880).

2⁹⁸⁸¹⁹ is an apocalyptic number.

98819 is a deficient number, since it is larger than the sum of its proper divisors (20221).

98819 is a wasteful number, since it uses less digits than its factorization.

98819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its digits is 5184, while the sum is 35.

The square root of 98819 is about 314.3548949834. The cubic root of 98819 is about 46.2324403757.

The spelling of 98819 in words is "ninety-eight thousand, eight hundred nineteen".