98616840 has 256 divisors, whose sum is σ = 367718400. Its totient is φ = 20653056.

The previous prime is 98616829. The next prime is 98616841. The reversal of 98616840 is 4861689.

It is a super-2 number, since 2×98616840² = 19450562263171200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 98616792 and 98616801.

It is not an unprimeable number, because it can be changed into a prime (98616841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 590437 + ... + 590603.

It is an arithmetic number, because the mean of its divisors is an integer number (1436400).

Almost surely, 2^98616840 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 98616840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183859200).

98616840 is an abundant number, since it is smaller than the sum of its proper divisors (269101560).

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

98616840 is a wasteful number, since it uses less digits than its factorization.

98616840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 98616840 is about 9930.6011902603. The cubic root of 98616840 is about 462.0089202003.

The spelling of 98616840 in words is "ninety-eight million, six hundred sixteen thousand, eight hundred forty".