197386 has 16 divisors (see below), whose sum is σ = 353664. Its totient is φ = 80784.

The previous prime is 197383. The next prime is 197389. The reversal of 197386 is 683791.

It is an interprime number because it is at equal distance from previous prime (197383) and next prime (197389).

It is a super-2 number, since 2×197386² = 77922465992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (197381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16 + ... + 628.

It is an arithmetic number, because the mean of its divisors is an integer number (22104).

2¹⁹⁷³⁸⁶ is an apocalyptic number.

197386 is a deficient number, since it is larger than the sum of its proper divisors (156278).

197386 is a wasteful number, since it uses less digits than its factorization.

197386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its digits is 9072, while the sum is 34.

The square root of 197386 is about 444.2814423313. The cubic root of 197386 is about 58.2244572324.

The spelling of 197386 in words is "one hundred ninety-seven thousand, three hundred eighty-six".