994836816 has 100 divisors (see below), whose sum is σ = 2895937044. Its totient is φ = 329702400.

The previous prime is 994836781. The next prime is 994836823. The reversal of 994836816 is 618638499.

994836816 is a `hidden beast` number, since 99 + 483 + 68 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 488586816 + 506250000 = 22104^2 + 22500^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 232456 + ... + 236696.

Almost surely, 2^994836816 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 994836816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447968522).

994836816 is an abundant number, since it is smaller than the sum of its proper divisors (1901100228).

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

994836816 is a wasteful number, since it uses less digits than its factorization.

994836816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442 (or 4427 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 994836816 is about 31541.0338448187. The cubic root of 994836816 is about 998.2759680887.

It can be divided in two parts, 9948 and 36816, that added together give a palindrome (46764).

The spelling of 994836816 in words is "nine hundred ninety-four million, eight hundred thirty-six thousand, eight hundred sixteen".