194673985 has 16 divisors (see below), whose sum is σ = 255156480. Its totient is φ = 141408640.

The previous prime is 194673979. The next prime is 194674003. The reversal of 194673985 is 589376491.

It is a happy number.

It is not a de Polignac number, because 194673985 - 2⁹ = 194673473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59061 + ... + 62269.

It is an arithmetic number, because the mean of its divisors is an integer number (15947280).

Almost surely, 2^194673985 is an apocalyptic number.

It is an amenable number.

194673985 is a deficient number, since it is larger than the sum of its proper divisors (60482495).

194673985 is a wasteful number, since it uses less digits than its factorization.

194673985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328.

The product of its digits is 1632960, while the sum is 52.

The square root of 194673985 is about 13952.5619511257. The cubic root of 194673985 is about 579.5656528121.

The spelling of 194673985 in words is "one hundred ninety-four million, six hundred seventy-three thousand, nine hundred eighty-five".