98699 has 4 divisors (see below), whose sum is σ = 99360. Its totient is φ = 98040.

The previous prime is 98689. The next prime is 98711. The reversal of 98699 is 99689.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 98699 - 2⁸ = 98443 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 98699.

It is not an unprimeable number, because it can be changed into a prime (98639) 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 3 ways as a sum of consecutive naturals, for example, 14 + ... + 444.

It is an arithmetic number, because the mean of its divisors is an integer number (24840).

2⁹⁸⁶⁹⁹ is an apocalyptic number.

98699 is a deficient number, since it is larger than the sum of its proper divisors (661).

98699 is a wasteful number, since it uses less digits than its factorization.

98699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its digits is 34992, while the sum is 41.

The square root of 98699 is about 314.1639699265. The cubic root of 98699 is about 46.2137188071.

Subtracting 98699 from its reverse (99689), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 98 and 699, that added together give a palindrome (797).

The spelling of 98699 in words is "ninety-eight thousand, six hundred ninety-nine".