197843 has 6 divisors (see below), whose sum is σ = 204444. Its totient is φ = 191436.

The previous prime is 197837. The next prime is 197887. The reversal of 197843 is 348791.

It is not a de Polignac number, because 197843 - 2⁶ = 197779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1796 + ... + 1902.

It is an arithmetic number, because the mean of its divisors is an integer number (34074).

2¹⁹⁷⁸⁴³ is an apocalyptic number.

197843 is a deficient number, since it is larger than the sum of its proper divisors (6601).

197843 is an equidigital number, since it uses as much as digits as its factorization.

197843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 150 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 197843 is about 444.7954586099. The cubic root of 197843 is about 58.2693575260.

The spelling of 197843 in words is "one hundred ninety-seven thousand, eight hundred forty-three".