197680343 has 4 divisors (see below), whose sum is σ = 225920400. Its totient is φ = 169440288.

The previous prime is 197680339. The next prime is 197680363. The reversal of 197680343 is 343086791.

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

It is a cyclic number.

It is not a de Polignac number, because 197680343 - 2² = 197680339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197680343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197680363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14120018 + ... + 14120031.

It is an arithmetic number, because the mean of its divisors is an integer number (56480100).

Almost surely, 2^197680343 is an apocalyptic number.

197680343 is a deficient number, since it is larger than the sum of its proper divisors (28240057).

197680343 is an equidigital number, since it uses as much as digits as its factorization.

197680343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28240056.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 197680343 is about 14059.8841744874. The cubic root of 197680343 is about 582.5338439324.

The spelling of 197680343 in words is "one hundred ninety-seven million, six hundred eighty thousand, three hundred forty-three".