98000018 has 8 divisors (see below), whose sum is σ = 149013948. Its totient is φ = 48328704.

The previous prime is 97999949. The next prime is 98000027. The reversal of 98000018 is 81000089.

98000018 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 97555129 + 444889 = 9877^2 + 667^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335471 + ... + 335762.

Almost surely, 2^98000018 is an apocalyptic number.

98000018 is a deficient number, since it is larger than the sum of its proper divisors (51013930).

98000018 is a wasteful number, since it uses less digits than its factorization.

98000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671308.

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

The square root of 98000018 is about 9899.4958457489. The cubic root of 98000018 is about 461.0436574330.

It can be divided in two parts, 980000 and 18, that multiplied together give a square (17640000 = 4200²).

The spelling of 98000018 in words is "ninety-eight million, eighteen", and thus it is an aban number and an uban number.