197127349 has 4 divisors (see below), whose sum is σ = 197598240. Its totient is φ = 196656460.

The previous prime is 197127347. The next prime is 197127367. The reversal of 197127349 is 943721791.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 943721791 = 25057 ⋅37663.

It is a cyclic number.

It is not a de Polignac number, because 197127349 - 2¹ = 197127347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197127341) 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, 234817 + ... + 235654.

It is an arithmetic number, because the mean of its divisors is an integer number (49399560).

Almost surely, 2^197127349 is an apocalyptic number.

It is an amenable number.

197127349 is a deficient number, since it is larger than the sum of its proper divisors (470891).

197127349 is an equidigital number, since it uses as much as digits as its factorization.

197127349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470890.

The product of its digits is 95256, while the sum is 43.

The square root of 197127349 is about 14040.2047349745. The cubic root of 197127349 is about 581.9901402816.

The spelling of 197127349 in words is "one hundred ninety-seven million, one hundred twenty-seven thousand, three hundred forty-nine".