99097 has 4 divisors (see below), whose sum is σ = 101556. Its totient is φ = 96640.

The previous prime is 99089. The next prime is 99103. The reversal of 99097 is 79099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79099 = 83 ⋅953.

It can be written as a sum of positive squares in 2 ways, for example, as 52441 + 46656 = 229^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 99097 - 2³ = 99089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99017) 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, 1168 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (25389).

2⁹⁹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

99097 is a deficient number, since it is larger than the sum of its proper divisors (2459).

99097 is a wasteful number, since it uses less digits than its factorization.

99097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 99097 is about 314.7967598308. The cubic root of 99097 is about 46.2757538572.

The spelling of 99097 in words is "ninety-nine thousand, ninety-seven".