197968468 has 18 divisors (see below), whose sum is σ = 368024846. Its totient is φ = 93161088.

The previous prime is 197968457. The next prime is 197968483. The reversal of 197968468 is 864869791.

It can be written as a sum of positive squares in 3 ways, for example, as 42667024 + 155301444 = 6532^2 + 12462^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 84471 + ... + 86782.

Almost surely, 2^197968468 is an apocalyptic number.

It is an amenable number.

197968468 is a deficient number, since it is larger than the sum of its proper divisors (170056378).

197968468 is a wasteful number, since it uses less digits than its factorization.

197968468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171291 (or 171272 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 197968468 is about 14070.1267940271. The cubic root of 197968468 is about 582.8167266949.

The spelling of 197968468 in words is "one hundred ninety-seven million, nine hundred sixty-eight thousand, four hundred sixty-eight".