994904512 has 56 divisors (see below), whose sum is σ = 2284943360. Its totient is φ = 420975360.

The previous prime is 994904509. The next prime is 994904531. The reversal of 994904512 is 215409499.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21337 + ... + 49447.

It is an arithmetic number, because the mean of its divisors is an integer number (40802560).

Almost surely, 2^994904512 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 994904512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142471680).

994904512 is an abundant number, since it is smaller than the sum of its proper divisors (1290038848).

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

994904512 is a wasteful number, since it uses less digits than its factorization.

994904512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28209 (or 28199 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 994904512 is about 31542.1069683051. The cubic root of 994904512 is about 998.2986109169.

The spelling of 994904512 in words is "nine hundred ninety-four million, nine hundred four thousand, five hundred twelve".