98987898 has 16 divisors (see below), whose sum is σ = 204362496. Its totient is φ = 31931520.

The previous prime is 98987897. The next prime is 98987909. The reversal of 98987898 is 89878989.

98987898 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (98987893) 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, 265911 + ... + 266282.

It is an arithmetic number, because the mean of its divisors is an integer number (12772656).

Almost surely, 2^98987898 is an apocalyptic number.

98987898 is an abundant number, since it is smaller than the sum of its proper divisors (105374598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98987898 is a wasteful number, since it uses less digits than its factorization.

98987898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532229.

The product of its digits is 20901888, while the sum is 66.

The square root of 98987898 is about 9949.2662040977. The cubic root of 98987898 is about 462.5876501034.

The spelling of 98987898 in words is "ninety-eight million, nine hundred eighty-seven thousand, eight hundred ninety-eight".