99448109 has 4 divisors (see below), whose sum is σ = 104682240. Its totient is φ = 94213980.

The previous prime is 99448081. The next prime is 99448127. The reversal of 99448109 is 90184499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99448109 - 2¹⁶ = 99382573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99448109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99448189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617037 + ... + 2617074.

It is an arithmetic number, because the mean of its divisors is an integer number (26170560).

Almost surely, 2^99448109 is an apocalyptic number.

It is an amenable number.

99448109 is a deficient number, since it is larger than the sum of its proper divisors (5234131).

99448109 is a wasteful number, since it uses less digits than its factorization.

99448109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234130.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 99448109 is about 9972.3672716161. The cubic root of 99448109 is about 463.3034239905.

The spelling of 99448109 in words is "ninety-nine million, four hundred forty-eight thousand, one hundred nine".