994217616 has 120 divisors (see below), whose sum is σ = 3282599424. Its totient is φ = 274890240.

The previous prime is 994217611. The next prime is 994217629. The reversal of 994217616 is 616712499.

994217616 is a `hidden beast` number, since 9 + 9 + 4 + 21 + 7 + 616 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (994217611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15340 + ... + 47156.

Almost surely, 2^994217616 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 994217616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641299712).

994217616 is an abundant number, since it is smaller than the sum of its proper divisors (2288381808).

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

994217616 is a wasteful number, since it uses less digits than its factorization.

994217616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31869 (or 31860 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 994217616 is about 31531.2165321923. The cubic root of 994217616 is about 998.0688115787.

The spelling of 994217616 in words is "nine hundred ninety-four million, two hundred seventeen thousand, six hundred sixteen".