98656140 has 144 divisors (see below), whose sum is σ = 308883456. Its totient is φ = 23506560.

The previous prime is 98656073. The next prime is 98656153. The reversal of 98656140 is 4165689.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 776757 + ... + 776883.

It is an arithmetic number, because the mean of its divisors is an integer number (2145024).

Almost surely, 2^98656140 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 98656140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154441728).

98656140 is an abundant number, since it is smaller than the sum of its proper divisors (210227316).

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

98656140 is a wasteful number, since it uses less digits than its factorization.

98656140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 255 counting only the distinct ones).

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

The square root of 98656140 is about 9932.5797253282. The cubic root of 98656140 is about 462.0702840917.

The spelling of 98656140 in words is "ninety-eight million, six hundred fifty-six thousand, one hundred forty".