98218 has 4 divisors (see below), whose sum is σ = 147330. Its totient is φ = 49108.

The previous prime is 98213. The next prime is 98221. The reversal of 98218 is 81289.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94249 + 3969 = 307^2 + 63^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (98213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24553 + ... + 24556.

2⁹⁸²¹⁸ is an apocalyptic number.

98218 is a deficient number, since it is larger than the sum of its proper divisors (49112).

98218 is a wasteful number, since it uses less digits than its factorization.

98218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49111.

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

The square root of 98218 is about 313.3975111580. The cubic root of 98218 is about 46.1385238312.

It can be divided in two parts, 982 and 18, that added together give a cube (1000 = 10³).

The spelling of 98218 in words is "ninety-eight thousand, two hundred eighteen".