197844085 has 8 divisors (see below), whose sum is σ = 237966336. Its totient is φ = 157906320.

The previous prime is 197844043. The next prime is 197844109. The reversal of 197844085 is 580448791.

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

It is not a de Polignac number, because 197844085 - 2¹⁷ = 197713013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43749 + ... + 48058.

It is an arithmetic number, because the mean of its divisors is an integer number (29745792).

Almost surely, 2^197844085 is an apocalyptic number.

It is an amenable number.

197844085 is a deficient number, since it is larger than the sum of its proper divisors (40122251).

197844085 is an equidigital number, since it uses as much as digits as its factorization.

197844085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92243.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 197844085 is about 14065.7059901023. The cubic root of 197844085 is about 582.6946404502.

The spelling of 197844085 in words is "one hundred ninety-seven million, eight hundred forty-four thousand, eighty-five".