197286 has 16 divisors (see below), whose sum is σ = 399168. Its totient is φ = 65000.

The previous prime is 197279. The next prime is 197293. The reversal of 197286 is 682791.

It is an interprime number because it is at equal distance from previous prime (197279) and next prime (197293).

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 7 ways as a sum of consecutive naturals, for example, 661 + ... + 911.

It is an arithmetic number, because the mean of its divisors is an integer number (24948).

2¹⁹⁷²⁸⁶ is an apocalyptic number.

197286 is an abundant number, since it is smaller than the sum of its proper divisors (201882).

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

197286 is a wasteful number, since it uses less digits than its factorization.

197286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its digits is 6048, while the sum is 33.

The square root of 197286 is about 444.1688867987. The cubic root of 197286 is about 58.2146229833.

The spelling of 197286 in words is "one hundred ninety-seven thousand, two hundred eighty-six".