197040085 has 8 divisors (see below), whose sum is σ = 257943456. Its totient is φ = 143301840.

The previous prime is 197040083. The next prime is 197040097. The reversal of 197040085 is 580040791.

It is a happy number.

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

It is not a de Polignac number, because 197040085 - 2¹ = 197040083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197040085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197040083) 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 7 ways as a sum of consecutive naturals, for example, 1791219 + ... + 1791328.

It is an arithmetic number, because the mean of its divisors is an integer number (32242932).

Almost surely, 2^197040085 is an apocalyptic number.

It is an amenable number.

197040085 is a deficient number, since it is larger than the sum of its proper divisors (60903371).

197040085 is a wasteful number, since it uses less digits than its factorization.

197040085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582563.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 197040085 is about 14037.0967439852. The cubic root of 197040085 is about 581.9042494708.

The spelling of 197040085 in words is "one hundred ninety-seven million, forty thousand, eighty-five".