98099 has 4 divisors (see below), whose sum is σ = 98736. Its totient is φ = 97464.

The previous prime is 98081. The next prime is 98101. The reversal of 98099 is 99089.

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 98099 - 2⁸ = 97843 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 98099.

It is not an unprimeable number, because it can be changed into a prime (98009) 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, 77 + ... + 449.

It is an arithmetic number, because the mean of its divisors is an integer number (24684).

2⁹⁸⁰⁹⁹ is an apocalyptic number.

98099 is a deficient number, since it is larger than the sum of its proper divisors (637).

98099 is a wasteful number, since it uses less digits than its factorization.

98099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 98099 is about 313.2075988861. The cubic root of 98099 is about 46.1198826343.

Subtracting 98099 from its reverse (99089), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 980 and 99, that multiplied together give a triangular number (97020 = T₄₄₀).

The spelling of 98099 in words is "ninety-eight thousand, ninety-nine".