197065814 has 8 divisors (see below), whose sum is σ = 322471368. Its totient is φ = 89575360.

The previous prime is 197065747. The next prime is 197065823. The reversal of 197065814 is 418560791.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4478747 + ... + 4478790.

It is an arithmetic number, because the mean of its divisors is an integer number (40308921).

Almost surely, 2^197065814 is an apocalyptic number.

197065814 is a deficient number, since it is larger than the sum of its proper divisors (125405554).

197065814 is a wasteful number, since it uses less digits than its factorization.

197065814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8957550.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 197065814 is about 14038.0131785093. The cubic root of 197065814 is about 581.9295762342.

The spelling of 197065814 in words is "one hundred ninety-seven million, sixty-five thousand, eight hundred fourteen".