197948347 has 2 divisors, whose sum is σ = 197948348. Its totient is φ = 197948346.

The previous prime is 197948321. The next prime is 197948353. The reversal of 197948347 is 743849791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197948347 - 2¹¹ = 197946299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197948294 and 197948303.

It is not a weakly prime, because it can be changed into another prime (197948147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98974173 + 98974174.

It is an arithmetic number, because the mean of its divisors is an integer number (98974174).

Almost surely, 2^197948347 is an apocalyptic number.

197948347 is a deficient number, since it is larger than the sum of its proper divisors (1).

197948347 is an equidigital number, since it uses as much as digits as its factorization.

197948347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 197948347 is about 14069.4117503185. The cubic root of 197948347 is about 582.7969807007.

The spelling of 197948347 in words is "one hundred ninety-seven million, nine hundred forty-eight thousand, three hundred forty-seven".