98891040 has 96 divisors (see below), whose sum is σ = 329857920. Its totient is φ = 24817664.

The previous prime is 98891033. The next prime is 98891041. The reversal of 98891040 is 4019889.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 98891040.

It is not an unprimeable number, because it can be changed into a prime (98891041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2101 + ... + 14219.

It is an arithmetic number, because the mean of its divisors is an integer number (3436020).

Almost surely, 2^98891040 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 98891040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164928960).

98891040 is an abundant number, since it is smaller than the sum of its proper divisors (230966880).

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

98891040 is a wasteful number, since it uses less digits than its factorization.

98891040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12154 (or 12146 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 98891040 is about 9944.3974176418. The cubic root of 98891040 is about 462.4367227772.

The spelling of 98891040 in words is "ninety-eight million, eight hundred ninety-one thousand, forty".