197387 has 6 divisors (see below), whose sum is σ = 209988. Its totient is φ = 185504.

The previous prime is 197383. The next prime is 197389. The reversal of 197387 is 783791.

It is not a de Polignac number, because 197387 - 2² = 197383 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197387.

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

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 5 ways as a sum of consecutive naturals, for example, 53 + ... + 630.

It is an arithmetic number, because the mean of its divisors is an integer number (34998).

2¹⁹⁷³⁸⁷ is an apocalyptic number.

197387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

197387 is a deficient number, since it is larger than the sum of its proper divisors (12601).

197387 is an equidigital number, since it uses as much as digits as its factorization.

197387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 700 counting only the distinct ones).

The product of its digits is 10584, while the sum is 35.

The square root of 197387 is about 444.2825677426. The cubic root of 197387 is about 58.2245555581.

The spelling of 197387 in words is "one hundred ninety-seven thousand, three hundred eighty-seven".