99320005 has 4 divisors (see below), whose sum is σ = 119184012. Its totient is φ = 79456000.

The previous prime is 99319993. The next prime is 99320009. The reversal of 99320005 is 50002399.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13905441 + 85414564 = 3729^2 + 9242^2 .

It is not a de Polignac number, because 99320005 - 2¹¹ = 99317957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99320009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9931996 + ... + 9932005.

It is an arithmetic number, because the mean of its divisors is an integer number (29796003).

Almost surely, 2^99320005 is an apocalyptic number.

It is an amenable number.

99320005 is a deficient number, since it is larger than the sum of its proper divisors (19864007).

99320005 is a wasteful number, since it uses less digits than its factorization.

99320005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19864006.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 99320005 is about 9965.9422534952. The cubic root of 99320005 is about 463.1044038683.

The spelling of 99320005 in words is "ninety-nine million, three hundred twenty thousand, five".