86849 has 8 divisors (see below), whose sum is σ = 104640. Its totient is φ = 70416.
The previous prime is 86843. The next prime is 86851. The reversal of 86849 is 94868.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 86849 - 216 = 21313 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (86843) 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, 194 + ... + 459.
It is an arithmetic number, because the mean of its divisors is an integer number (13080).
286849 is an apocalyptic number.
It is an amenable number.
86849 is a deficient number, since it is larger than the sum of its proper divisors (17791).
86849 is a wasteful number, since it uses less digits than its factorization.
86849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 679.
The product of its digits is 13824, while the sum is 35.
The square root of 86849 is about 294.7015439389. The cubic root of 86849 is about 44.2848258084.
The spelling of 86849 in words is "eighty-six thousand, eight hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •