194170085 has 8 divisors (see below), whose sum is σ = 233972376. Its totient is φ = 154690560.

The previous prime is 194170079. The next prime is 194170091. The reversal of 194170085 is 580071491.

It is an interprime number because it is at equal distance from previous prime (194170079) and next prime (194170091).

It can be written as a sum of positive squares in 4 ways, for example, as 87647044 + 106523041 = 9362^2 + 10321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194170085 - 2⁶ = 194170021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79364 + ... + 81773.

It is an arithmetic number, because the mean of its divisors is an integer number (29246547).

Almost surely, 2^194170085 is an apocalyptic number.

It is an amenable number.

194170085 is a deficient number, since it is larger than the sum of its proper divisors (39802291).

194170085 is a wasteful number, since it uses less digits than its factorization.

194170085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161383.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 194170085 is about 13934.4926351841. The cubic root of 194170085 is about 579.0651656803.

The spelling of 194170085 in words is "one hundred ninety-four million, one hundred seventy thousand, eighty-five".