98000081 has 8 divisors (see below), whose sum is σ = 103418400. Its totient is φ = 92607840.

The previous prime is 98000069. The next prime is 98000101. The reversal of 98000081 is 18000089.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98000081 is a prime.

It is a super-2 number, since 2×98000081² = 19208031752013122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98000081.

It is not an unprimeable number, because it can be changed into a prime (98000051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 14076.

It is an arithmetic number, because the mean of its divisors is an integer number (12927300).

Almost surely, 2^98000081 is an apocalyptic number.

It is an amenable number.

98000081 is a deficient number, since it is larger than the sum of its proper divisors (5418319).

98000081 is a wasteful number, since it uses less digits than its factorization.

98000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13039.

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

The square root of 98000081 is about 9899.4990277286. The cubic root of 98000081 is about 461.0437562280.

The spelling of 98000081 in words is "ninety-eight million, eighty-one", and thus it is an aban number and an uban number.