98861056 has 64 divisors (see below), whose sum is σ = 226488960. Its totient is φ = 42270720.

The previous prime is 98860973. The next prime is 98861057. The reversal of 98861056 is 65016889.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (98861057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229161 + ... + 229591.

It is an arithmetic number, because the mean of its divisors is an integer number (3538890).

Almost surely, 2^98861056 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 98861056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113244480).

98861056 is an abundant number, since it is smaller than the sum of its proper divisors (127627904).

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

98861056 is an frugal number, since it uses more digits than its factorization.

98861056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 98861056 is about 9942.8897208005. The cubic root of 98861056 is about 462.3899807458.

The spelling of 98861056 in words is "ninety-eight million, eight hundred sixty-one thousand, fifty-six".