98989895 has 8 divisors (see below), whose sum is σ = 125775504. Its totient is φ = 74533504.

The previous prime is 98989889. The next prime is 98989903. The reversal of 98989895 is 59898989.

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 98989895 - 2⁴ = 98989879 is a prime.

It is a super-2 number, since 2×98989895² = 19597998624222050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 582209 + ... + 582378.

It is an arithmetic number, because the mean of its divisors is an integer number (15721938).

Almost surely, 2^98989895 is an apocalyptic number.

98989895 is a deficient number, since it is larger than the sum of its proper divisors (26785609).

98989895 is a wasteful number, since it uses less digits than its factorization.

98989895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164609.

The product of its digits is 16796160, while the sum is 65.

The square root of 98989895 is about 9949.3665627516. The cubic root of 98989895 is about 462.5907608585.

The spelling of 98989895 in words is "ninety-eight million, nine hundred eighty-nine thousand, eight hundred ninety-five".