197297319 has 16 divisors (see below), whose sum is σ = 268351232. Its totient is φ = 128910528.

The previous prime is 197297279. The next prime is 197297329. The reversal of 197297319 is 913792791.

It is a happy number.

It is not a de Polignac number, because 197297319 - 2⁹ = 197296807 is a prime.

It is a super-2 number, since 2×197297319² = 77852464169175522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197297329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32934 + ... + 38460.

It is an arithmetic number, because the mean of its divisors is an integer number (16771952).

Almost surely, 2^197297319 is an apocalyptic number.

197297319 is a deficient number, since it is larger than the sum of its proper divisors (71053913).

197297319 is a wasteful number, since it uses less digits than its factorization.

197297319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766.

The product of its digits is 214326, while the sum is 48.

The square root of 197297319 is about 14046.2564051779. The cubic root of 197297319 is about 582.1573628872.

The spelling of 197297319 in words is "one hundred ninety-seven million, two hundred ninety-seven thousand, three hundred nineteen".