194344436 has 48 divisors (see below), whose sum is σ = 408119040. Its totient is φ = 79797120.

The previous prime is 194344429. The next prime is 194344439. The reversal of 194344436 is 634443491.

It is a self number, because there is not a number n which added to its sum of digits gives 194344436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194344439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23270 + ... + 30498.

It is an arithmetic number, because the mean of its divisors is an integer number (8502480).

Almost surely, 2^194344436 is an apocalyptic number.

It is an amenable number.

194344436 is an abundant number, since it is smaller than the sum of its proper divisors (213774604).

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

194344436 is a wasteful number, since it uses less digits than its factorization.

194344436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304 (or 7302 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 194344436 is about 13940.7473257354. The cubic root of 194344436 is about 579.2384336810.

The spelling of 194344436 in words is "one hundred ninety-four million, three hundred forty-four thousand, four hundred thirty-six".