98985881 has 8 divisors (see below), whose sum is σ = 100341024. Its totient is φ = 97637760.

The previous prime is 98985869. The next prime is 98985907. The reversal of 98985881 is 18858989.

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

It is a cyclic number.

It is not a de Polignac number, because 98985881 - 2¹⁰ = 98984857 is a prime.

It is a super-2 number, since 2×98985881² = 19596409274692322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98985851) 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, 30566 + ... + 33648.

It is an arithmetic number, because the mean of its divisors is an integer number (12542628).

Almost surely, 2^98985881 is an apocalyptic number.

It is an amenable number.

98985881 is a deficient number, since it is larger than the sum of its proper divisors (1355143).

98985881 is a wasteful number, since it uses less digits than its factorization.

98985881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511.

The product of its digits is 1658880, while the sum is 56.

The square root of 98985881 is about 9949.1648393219. The cubic root of 98985881 is about 462.5845081516.

The spelling of 98985881 in words is "ninety-eight million, nine hundred eighty-five thousand, eight hundred eighty-one".