197984343 has 4 divisors (see below), whose sum is σ = 263979128. Its totient is φ = 131989560.

The previous prime is 197984333. The next prime is 197984387. The reversal of 197984343 is 343489791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 197984343 - 2²¹ = 195887191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197984292 and 197984301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197984333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32997388 + ... + 32997393.

It is an arithmetic number, because the mean of its divisors is an integer number (65994782).

Almost surely, 2^197984343 is an apocalyptic number.

197984343 is a deficient number, since it is larger than the sum of its proper divisors (65994785).

197984343 is an equidigital number, since it uses as much as digits as its factorization.

197984343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65994784.

The product of its digits is 653184, while the sum is 48.

The square root of 197984343 is about 14070.6909212021. The cubic root of 197984343 is about 582.8323048799.

The spelling of 197984343 in words is "one hundred ninety-seven million, nine hundred eighty-four thousand, three hundred forty-three".