994563648 has 252 divisors, whose sum is σ = 3273913188. Its totient is φ = 287539200.

The previous prime is 994563637. The next prime is 994563653. The reversal of 994563648 is 846365499.

994563648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3069504 + 991494144 = 1752^2 + 31488^2 .

It is a junction number, because it is equal to n+sod(n) for n = 994563594 and 994563603.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1654548 + ... + 1655148.

It is an arithmetic number, because the mean of its divisors is an integer number (12991719).

Almost surely, 2^994563648 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 994563648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636956594).

994563648 is an abundant number, since it is smaller than the sum of its proper divisors (2279349540).

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

994563648 is a wasteful number, since it uses less digits than its factorization.

994563648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 636 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 994563648 is about 31536.7031885072. The cubic root of 994563648 is about 998.1845889437.

The spelling of 994563648 in words is "nine hundred ninety-four million, five hundred sixty-three thousand, six hundred forty-eight".