98533881 has 8 divisors (see below), whose sum is σ = 145976160. Its totient is φ = 65689236.

The previous prime is 98533873. The next prime is 98533901. The reversal of 98533881 is 18833589.

It is not a de Polignac number, because 98533881 - 2³ = 98533873 is a prime.

It is a super-2 number, since 2×98533881² = 19417851409844322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98533801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824675 + ... + 1824728.

It is an arithmetic number, because the mean of its divisors is an integer number (18247020).

Almost surely, 2^98533881 is an apocalyptic number.

It is an amenable number.

98533881 is a deficient number, since it is larger than the sum of its proper divisors (47442279).

98533881 is a wasteful number, since it uses less digits than its factorization.

98533881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649412 (or 3649406 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 98533881 is about 9926.4233740054. The cubic root of 98533881 is about 461.8793326286.

The spelling of 98533881 in words is "ninety-eight million, five hundred thirty-three thousand, eight hundred eighty-one".