197931963 has 8 divisors (see below), whose sum is σ = 265291776. Its totient is φ = 131263400.

The previous prime is 197931871. The next prime is 197931971. The reversal of 197931963 is 369139791.

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

It is a cyclic number.

It is not a de Polignac number, because 197931963 - 2¹² = 197927867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197931973) 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 in 7 ways as a sum of consecutive naturals, for example, 172143 + ... + 173288.

It is an arithmetic number, because the mean of its divisors is an integer number (33161472).

Almost surely, 2^197931963 is an apocalyptic number.

197931963 is a deficient number, since it is larger than the sum of its proper divisors (67359813).

197931963 is a wasteful number, since it uses less digits than its factorization.

197931963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345625.

The product of its digits is 275562, while the sum is 48.

The square root of 197931963 is about 14068.8294822277. The cubic root of 197931963 is about 582.7809010696.

The spelling of 197931963 in words is "one hundred ninety-seven million, nine hundred thirty-one thousand, nine hundred sixty-three".