194185268 has 12 divisors (see below), whose sum is σ = 341235972. Its totient is φ = 96689280.

The previous prime is 194185267. The next prime is 194185283. The reversal of 194185268 is 862581491.

It can be written as a sum of positive squares in 2 ways, for example, as 95023504 + 99161764 = 9748^2 + 9958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194185267) 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 3 ways as a sum of consecutive naturals, for example, 99755 + ... + 101682.

It is an arithmetic number, because the mean of its divisors is an integer number (28436331).

Almost surely, 2^194185268 is an apocalyptic number.

It is an amenable number.

194185268 is a deficient number, since it is larger than the sum of its proper divisors (147050704).

194185268 is a wasteful number, since it uses less digits than its factorization.

194185268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201682 (or 201680 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 194185268 is about 13935.0374237029. The cubic root of 194185268 is about 579.0802584914.

The spelling of 194185268 in words is "one hundred ninety-four million, one hundred eighty-five thousand, two hundred sixty-eight".