99107 has 8 divisors (see below), whose sum is σ = 107520. Its totient is φ = 91080.
The previous prime is 99103. The next prime is 99109. The reversal of 99107 is 70199.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 99107 - 22 = 99103 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (99103) 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 7 ways as a sum of consecutive naturals, for example, 644 + ... + 782.
It is an arithmetic number, because the mean of its divisors is an integer number (13440).
299107 is an apocalyptic number.
99107 is a deficient number, since it is larger than the sum of its proper divisors (8413).
99107 is a wasteful number, since it uses less digits than its factorization.
99107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193.
The product of its (nonzero) digits is 567, while the sum is 26.
The square root of 99107 is about 314.8126426940. The cubic root of 99107 is about 46.2773103859.
The spelling of 99107 in words is "ninety-nine thousand, one hundred seven".
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