89218 has 8 divisors (see below), whose sum is σ = 138240. Its totient is φ = 43140.

The previous prime is 89213. The next prime is 89227. The reversal of 89218 is 81298.

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (89213) 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 3 ways as a sum of consecutive naturals, for example, 658 + ... + 781.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2⁸⁹²¹⁸ is an apocalyptic number.

89218 is a deficient number, since it is larger than the sum of its proper divisors (49022).

89218 is a wasteful number, since it uses less digits than its factorization.

89218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its digits is 1152, while the sum is 28.

The square root of 89218 is about 298.6938231701. The cubic root of 89218 is about 44.6838749566.

The spelling of 89218 in words is "eighty-nine thousand, two hundred eighteen".