194005285 has 16 divisors (see below), whose sum is σ = 242542080. Its totient is φ = 148806720.

The previous prime is 194005283. The next prime is 194005303. The reversal of 194005285 is 582500491.

It is not a de Polignac number, because 194005285 - 2¹ = 194005283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194005285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194005283) 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, 11154 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (15158880).

Almost surely, 2^194005285 is an apocalyptic number.

It is an amenable number.

194005285 is a deficient number, since it is larger than the sum of its proper divisors (48536795).

194005285 is a wasteful number, since it uses less digits than its factorization.

194005285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11628.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 194005285 is about 13928.5779963354. The cubic root of 194005285 is about 578.9012939722.

The spelling of 194005285 in words is "one hundred ninety-four million, five thousand, two hundred eighty-five".