98516640 has 96 divisors (see below), whose sum is σ = 312439680. Its totient is φ = 26092544.

The previous prime is 98516629. The next prime is 98516669. The reversal of 98516640 is 4661589.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79546 + ... + 80774.

It is an arithmetic number, because the mean of its divisors is an integer number (3254580).

Almost surely, 2^98516640 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 98516640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156219840).

98516640 is an abundant number, since it is smaller than the sum of its proper divisors (213923040).

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

98516640 is a wasteful number, since it uses less digits than its factorization.

98516640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 98516640 is about 9925.5548963270. The cubic root of 98516640 is about 461.8523918918.

The spelling of 98516640 in words is "ninety-eight million, five hundred sixteen thousand, six hundred forty".