86386212 has 108 divisors (see below), whose sum is σ = 247233168. Its totient is φ = 25221600.

The previous prime is 86386211. The next prime is 86386241. The reversal of 86386212 is 21268368.

86386212 is a `hidden beast` number, since 8 + 638 + 6 + 2 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86386211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 380443 + ... + 380669.

It is an arithmetic number, because the mean of its divisors is an integer number (2289196).

Almost surely, 2^86386212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86386212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123616584).

86386212 is an abundant number, since it is smaller than the sum of its proper divisors (160846956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86386212 is a wasteful number, since it uses less digits than its factorization.

86386212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 274 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 86386212 is about 9294.4183249948. The cubic root of 86386212 is about 442.0602621847.

The spelling of 86386212 in words is "eighty-six million, three hundred eighty-six thousand, two hundred twelve".