197768341 has 4 divisors (see below), whose sum is σ = 197798112. Its totient is φ = 197738572.

The previous prime is 197768279. The next prime is 197768393. The reversal of 197768341 is 143867791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 143867791 = 19 ⋅7571989.

It is a cyclic number.

It is not a de Polignac number, because 197768341 - 2⁷ = 197768213 is a prime.

It is a super-2 number, since 2×197768341² = 78224633403784562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197768291 and 197768300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197768941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126 + ... + 19888.

It is an arithmetic number, because the mean of its divisors is an integer number (49449528).

Almost surely, 2^197768341 is an apocalyptic number.

It is an amenable number.

197768341 is a deficient number, since it is larger than the sum of its proper divisors (29771).

197768341 is a wasteful number, since it uses less digits than its factorization.

197768341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29770.

The product of its digits is 254016, while the sum is 46.

The square root of 197768341 is about 14063.0132261902. The cubic root of 197768341 is about 582.6202700077.

The spelling of 197768341 in words is "one hundred ninety-seven million, seven hundred sixty-eight thousand, three hundred forty-one".