197196407 has 2 divisors, whose sum is σ = 197196408. Its totient is φ = 197196406.

The previous prime is 197196401. The next prime is 197196431. The reversal of 197196407 is 704691791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197196407 - 2¹² = 197192311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197196401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98598203 + 98598204.

It is an arithmetic number, because the mean of its divisors is an integer number (98598204).

Almost surely, 2^197196407 is an apocalyptic number.

197196407 is a deficient number, since it is larger than the sum of its proper divisors (1).

197196407 is an equidigital number, since it uses as much as digits as its factorization.

197196407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 197196407 is about 14042.6638142483. The cubic root of 197196407 is about 582.0580936173.

The spelling of 197196407 in words is "one hundred ninety-seven million, one hundred ninety-six thousand, four hundred seven".