197210 has 32 divisors (see below), whose sum is σ = 402192. Its totient is φ = 69120.

The previous prime is 197207. The next prime is 197221. The reversal of 197210 is 12791.

It can be written as a sum of positive squares in 8 ways, for example, as 39601 + 157609 = 199^2 + 397^2 .

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, 4790 + ... + 4830.

2¹⁹⁷²¹⁰ is an apocalyptic number.

197210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197210 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197210 is a wasteful number, since it uses less digits than its factorization.

197210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 197210 is about 444.0833255145. The cubic root of 197210 is about 58.2071467312.

The spelling of 197210 in words is "one hundred ninety-seven thousand, two hundred ten".