194294912 has 128 divisors (see below), whose sum is σ = 474422400. Its totient is φ = 77414400.

The previous prime is 194294911. The next prime is 194294917. The reversal of 194294912 is 219492491.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 194294912.

It is not an unprimeable number, because it can be changed into a prime (194294911) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1719368 + ... + 1719480.

It is an arithmetic number, because the mean of its divisors is an integer number (3706425).

Almost surely, 2^194294912 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 194294912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237211200).

194294912 is an abundant number, since it is smaller than the sum of its proper divisors (280127488).

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

194294912 is a wasteful number, since it uses less digits than its factorization.

194294912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 242 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 194294912 is about 13938.9709806714. The cubic root of 194294912 is about 579.1892278452.

The spelling of 194294912 in words is "one hundred ninety-four million, two hundred ninety-four thousand, nine hundred twelve".