98701981 has 8 divisors (see below), whose sum is σ = 113276160. Its totient is φ = 84246288.

The previous prime is 98701963. The next prime is 98702011. The reversal of 98701981 is 18910789.

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

It is not a de Polignac number, because 98701981 - 2¹¹ = 98699933 is a prime.

It is a super-2 number, since 2×98701981² = 19484162106648722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98701931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27826 + ... + 31171.

It is an arithmetic number, because the mean of its divisors is an integer number (14159520).

Almost surely, 2^98701981 is an apocalyptic number.

It is an amenable number.

98701981 is a deficient number, since it is larger than the sum of its proper divisors (14574179).

98701981 is a wasteful number, since it uses less digits than its factorization.

98701981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59243.

The product of its (nonzero) digits is 36288, while the sum is 43.

The square root of 98701981 is about 9934.8870652867. The cubic root of 98701981 is about 462.1418406585.

The spelling of 98701981 in words is "ninety-eight million, seven hundred one thousand, nine hundred eighty-one".