99506 has 8 divisors (see below), whose sum is σ = 162864. Its totient is φ = 45220.

The previous prime is 99497. The next prime is 99523. The reversal of 99506 is 60599.

99506 is nontrivially palindromic in base 6.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99506.

It is an unprimeable number.

99506 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2240 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (20358).

2⁹⁹⁵⁰⁶ is an apocalyptic number.

99506 is a deficient number, since it is larger than the sum of its proper divisors (63358).

99506 is a wasteful number, since it uses less digits than its factorization.

99506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 99506 is about 315.4457164078. The cubic root of 99506 is about 46.3393306363.

The spelling of 99506 in words is "ninety-nine thousand, five hundred six".