194500085 has 16 divisors (see below), whose sum is σ = 251702640. Its totient is φ = 143431680.

The previous prime is 194500079. The next prime is 194500087. The reversal of 194500085 is 580005491.

It can be written as a sum of positive squares in 8 ways, for example, as 36168196 + 158331889 = 6014^2 + 12583^2 .

It is not a de Polignac number, because 194500085 - 2¹⁰ = 194499061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194500087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58775 + ... + 61995.

It is an arithmetic number, because the mean of its divisors is an integer number (15731415).

Almost surely, 2^194500085 is an apocalyptic number.

It is an amenable number.

194500085 is a deficient number, since it is larger than the sum of its proper divisors (57202555).

194500085 is a wasteful number, since it uses less digits than its factorization.

194500085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 194500085 is about 13946.3287283787. The cubic root of 194500085 is about 579.3930283216.

The spelling of 194500085 in words is "one hundred ninety-four million, five hundred thousand, eighty-five".