998086056 has 64 divisors (see below), whose sum is σ = 2729894400. Its totient is φ = 301579200.

The previous prime is 998086051. The next prime is 998086091. The reversal of 998086056 is 650680899.

It is not an unprimeable number, because it can be changed into a prime (998086051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89511 + ... + 100041.

It is an arithmetic number, because the mean of its divisors is an integer number (42654600).

Almost surely, 2^998086056 is an apocalyptic number.

It is a pronic number, being equal to 31592×31593.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998086056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364947200).

998086056 is an abundant number, since it is smaller than the sum of its proper divisors (1731808344).

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

998086056 is a wasteful number, since it uses less digits than its factorization.

998086056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910 (or 10906 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 998086056 is about 31592.4999960434. The cubic root of 998086056 is about 999.3616112131.

The spelling of 998086056 in words is "nine hundred ninety-eight million, eighty-six thousand, fifty-six".