98170056 has 128 divisors (see below), whose sum is σ = 286540800. Its totient is φ = 31492800.

The previous prime is 98169997. The next prime is 98170057. The reversal of 98170056 is 65007189.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 98170056.

It is not an unprimeable number, because it can be changed into a prime (98170057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542286 + ... + 542466.

It is an arithmetic number, because the mean of its divisors is an integer number (2238600).

Almost surely, 2^98170056 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 98170056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143270400).

98170056 is an abundant number, since it is smaller than the sum of its proper divisors (188370744).

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

98170056 is a wasteful number, since it uses less digits than its factorization.

98170056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 98170056 is about 9908.0803387942. The cubic root of 98170056 is about 461.3101527737.

The spelling of 98170056 in words is "ninety-eight million, one hundred seventy thousand, fifty-six".