197841 has 8 divisors (see below), whose sum is σ = 301504. Its totient is φ = 113040.

The previous prime is 197837. The next prime is 197887. The reversal of 197841 is 148791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197841 - 2² = 197837 is a prime.

It is a super-2 number, since 2×197841² = 78282122562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197799 and 197808.

It is not an unprimeable number, because it can be changed into a prime (197831) 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 7 ways as a sum of consecutive naturals, for example, 4690 + ... + 4731.

It is an arithmetic number, because the mean of its divisors is an integer number (37688).

2¹⁹⁷⁸⁴¹ is an apocalyptic number.

It is an amenable number.

197841 is a deficient number, since it is larger than the sum of its proper divisors (103663).

197841 is an equidigital number, since it uses as much as digits as its factorization.

197841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431.

The product of its digits is 2016, while the sum is 30.

The square root of 197841 is about 444.7932103798. The cubic root of 197841 is about 58.2691611765.

The spelling of 197841 in words is "one hundred ninety-seven thousand, eight hundred forty-one".