98918 has 4 divisors (see below), whose sum is σ = 148380. Its totient is φ = 49458.

The previous prime is 98911. The next prime is 98927. The reversal of 98918 is 81989.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81989 = 163 ⋅503.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 98918.

It is not an unprimeable number, because it can be changed into a prime (98911) 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 as a sum of consecutive naturals, namely, 24728 + ... + 24731.

It is an arithmetic number, because the mean of its divisors is an integer number (37095).

2⁹⁸⁹¹⁸ is an apocalyptic number.

98918 is a deficient number, since it is larger than the sum of its proper divisors (49462).

98918 is a wasteful number, since it uses less digits than its factorization.

98918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49461.

The product of its digits is 5184, while the sum is 35.

The square root of 98918 is about 314.5123209033. The cubic root of 98918 is about 46.2478742631.

The spelling of 98918 in words is "ninety-eight thousand, nine hundred eighteen".