99706 has 4 divisors (see below), whose sum is σ = 149562. Its totient is φ = 49852.
The previous prime is 99689. The next prime is 99707. The reversal of 99706 is 60799.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60799 = 163 ⋅373.
It can be written as a sum of positive squares in only one way, i.e., 95481 + 4225 = 309^2 + 65^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (99707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24925 + ... + 24928.
299706 is an apocalyptic number.
99706 is a deficient number, since it is larger than the sum of its proper divisors (49856).
99706 is a wasteful number, since it uses less digits than its factorization.
99706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49855.
The product of its (nonzero) digits is 3402, while the sum is 31.
The square root of 99706 is about 315.7625690293. The cubic root of 99706 is about 46.3703561148.
The spelling of 99706 in words is "ninety-nine thousand, seven hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •