99966343 has 4 divisors (see below), whose sum is σ = 99986400. Its totient is φ = 99946288.

The previous prime is 99966329. The next prime is 99966371. The reversal of 99966343 is 34366999.

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

It is a cyclic number.

It is not a de Polignac number, because 99966343 - 2¹³ = 99958151 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99966043) 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, 3858 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (24996600).

Almost surely, 2^99966343 is an apocalyptic number.

99966343 is a deficient number, since it is larger than the sum of its proper divisors (20057).

99966343 is a wasteful number, since it uses less digits than its factorization.

99966343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20056.

The product of its digits is 944784, while the sum is 49.

The square root of 99966343 is about 9998.3170083770. The cubic root of 99966343 is about 464.1068035329.

The spelling of 99966343 in words is "ninety-nine million, nine hundred sixty-six thousand, three hundred forty-three".