86212 has 12 divisors (see below), whose sum is σ = 172480. Its totient is φ = 36936.
The previous prime is 86209. The next prime is 86239. The reversal of 86212 is 21268.
It is a happy number.
86212 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 86212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512 + ... + 1567.
286212 is an apocalyptic number.
It is an amenable number.
86212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86240).
86212 is a wasteful number, since it uses less digits than its factorization.
86212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3090 (or 3088 counting only the distinct ones).
The product of its digits is 192, while the sum is 19.
The square root of 86212 is about 293.6188004880. The cubic root of 86212 is about 44.1762899801.
The spelling of 86212 in words is "eighty-six thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.002 sec. • engine limits •