98989856 has 48 divisors (see below), whose sum is σ = 223445376. Its totient is φ = 42287616.

The previous prime is 98989843. The next prime is 98989879. The reversal of 98989856 is 65898989.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101885 + ... + 102851.

It is an arithmetic number, because the mean of its divisors is an integer number (4655112).

Almost surely, 2^98989856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98989856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111722688).

98989856 is an abundant number, since it is smaller than the sum of its proper divisors (124455520).

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

98989856 is a wasteful number, since it uses less digits than its factorization.

98989856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1433 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 62.

The square root of 98989856 is about 9949.3646028277. The cubic root of 98989856 is about 462.5907001081.

The spelling of 98989856 in words is "ninety-eight million, nine hundred eighty-nine thousand, eight hundred fifty-six".