197285 has 16 divisors (see below), whose sum is σ = 274752. Its totient is φ = 134400.

The previous prime is 197279. The next prime is 197293. The reversal of 197285 is 582791.

It is not a de Polignac number, because 197285 - 2⁴ = 197269 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (17172).

2¹⁹⁷²⁸⁵ is an apocalyptic number.

It is an amenable number.

197285 is a deficient number, since it is larger than the sum of its proper divisors (77467).

197285 is a wasteful number, since it uses less digits than its factorization.

197285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its digits is 5040, while the sum is 32.

The square root of 197285 is about 444.1677610993. The cubic root of 197285 is about 58.2145246240.

The spelling of 197285 in words is "one hundred ninety-seven thousand, two hundred eighty-five".