994281984 has 120 divisors (see below), whose sum is σ = 2893862400. Its totient is φ = 328624128.

The previous prime is 994281979. The next prime is 994281997. The reversal of 994281984 is 489182499.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 994281984.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584367 + ... + 586065.

It is an arithmetic number, because the mean of its divisors is an integer number (24115520).

Almost surely, 2^994281984 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 994281984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446931200).

994281984 is an abundant number, since it is smaller than the sum of its proper divisors (1899580416).

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

994281984 is a wasteful number, since it uses less digits than its factorization.

994281984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1831 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 994281984 is about 31532.2372184404. The cubic root of 994281984 is about 998.0903502258.

The spelling of 994281984 in words is "nine hundred ninety-four million, two hundred eighty-one thousand, nine hundred eighty-four".