994136772 has 48 divisors (see below), whose sum is σ = 2446718400. Its totient is φ = 313297920.

The previous prime is 994136771. The next prime is 994136777. The reversal of 994136772 is 277631499.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (994136771) 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 15 ways as a sum of consecutive naturals, for example, 114604 + ... + 122972.

It is an arithmetic number, because the mean of its divisors is an integer number (50973300).

Almost surely, 2^994136772 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 994136772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223359200).

994136772 is an abundant number, since it is smaller than the sum of its proper divisors (1452581628).

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

994136772 is a wasteful number, since it uses less digits than its factorization.

994136772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916 (or 8914 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 994136772 is about 31529.9345384668. The cubic root of 994136772 is about 998.0417584598.

The spelling of 994136772 in words is "nine hundred ninety-four million, one hundred thirty-six thousand, seven hundred seventy-two".