86417218 has 8 divisors (see below), whose sum is σ = 129668112. Its totient is φ = 43194516.

The previous prime is 86417213. The next prime is 86417249. The reversal of 86417218 is 81271468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (86417213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4221 + ... + 13807.

It is an arithmetic number, because the mean of its divisors is an integer number (16208514).

Almost surely, 2^86417218 is an apocalyptic number.

86417218 is a deficient number, since it is larger than the sum of its proper divisors (43250894).

86417218 is a wasteful number, since it uses less digits than its factorization.

86417218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14096.

The product of its digits is 21504, while the sum is 37.

The square root of 86417218 is about 9296.0861656936. The cubic root of 86417218 is about 442.1131443930.

The spelling of 86417218 in words is "eighty-six million, four hundred seventeen thousand, two hundred eighteen".