197241849 has 12 divisors (see below), whose sum is σ = 325605696. Its totient is φ = 112709592.

The previous prime is 197241841. The next prime is 197241851. The reversal of 197241849 is 948142791.

It is a happy number.

197241849 is a `hidden beast` number, since 197 + 2 + 418 + 49 = 666.

It is not a de Polignac number, because 197241849 - 2³ = 197241841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197241841) 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 11 ways as a sum of consecutive naturals, for example, 1565349 + ... + 1565474.

It is an arithmetic number, because the mean of its divisors is an integer number (27133808).

Almost surely, 2^197241849 is an apocalyptic number.

It is an amenable number.

197241849 is a deficient number, since it is larger than the sum of its proper divisors (128363847).

197241849 is a wasteful number, since it uses less digits than its factorization.

197241849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130836 (or 3130833 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 197241849 is about 14044.2817189061. The cubic root of 197241849 is about 582.1028000648.

The spelling of 197241849 in words is "one hundred ninety-seven million, two hundred forty-one thousand, eight hundred forty-nine".