988843656 has 16 divisors (see below), whose sum is σ = 2472109200. Its totient is φ = 329614544.

The previous prime is 988843651. The next prime is 988843679. The reversal of 988843656 is 656348889.

It is a super-2 number, since 2×988843656² = 1955623552022892672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 988843596 and 988843605.

It is not an unprimeable number, because it can be changed into a prime (988843651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20600886 + ... + 20600933.

It is an arithmetic number, because the mean of its divisors is an integer number (154506825).

Almost surely, 2^988843656 is an apocalyptic number.

It is an amenable number.

988843656 is an abundant number, since it is smaller than the sum of its proper divisors (1483265544).

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

988843656 is a wasteful number, since it uses less digits than its factorization.

988843656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41201828 (or 41201824 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The square root of 988843656 is about 31445.8845638026. The cubic root of 988843656 is about 996.2673029755.

The spelling of 988843656 in words is "nine hundred eighty-eight million, eight hundred forty-three thousand, six hundred fifty-six".