194963685 has 32 divisors (see below), whose sum is σ = 357599232. Its totient is φ = 88852800.

The previous prime is 194963647. The next prime is 194963689. The reversal of 194963685 is 586369491.

It is not a de Polignac number, because 194963685 - 2⁶ = 194963621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194963689) 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 31 ways as a sum of consecutive naturals, for example, 33760 + ... + 39110.

It is an arithmetic number, because the mean of its divisors is an integer number (11174976).

Almost surely, 2^194963685 is an apocalyptic number.

194963685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194963685 is a deficient number, since it is larger than the sum of its proper divisors (162635547).

194963685 is a wasteful number, since it uses less digits than its factorization.

194963685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713.

The product of its digits is 1399680, while the sum is 51.

The square root of 194963685 is about 13962.9396976425. The cubic root of 194963685 is about 579.8529998052.

The spelling of 194963685 in words is "one hundred ninety-four million, nine hundred sixty-three thousand, six hundred eighty-five".