98018 has 4 divisors (see below), whose sum is σ = 147030. Its totient is φ = 49008.

The previous prime is 98017. The next prime is 98041. The reversal of 98018 is 81089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81089 = 131 ⋅619.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 49 = 313^2 + 7^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (98011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24503 + ... + 24506.

2⁹⁸⁰¹⁸ is an apocalyptic number.

98018 is a deficient number, since it is larger than the sum of its proper divisors (49012).

98018 is a wasteful number, since it uses less digits than its factorization.

98018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49011.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 98018 is about 313.0782649754. The cubic root of 98018 is about 46.1071854639.

The spelling of 98018 in words is "ninety-eight thousand, eighteen".