197420461 has 18 divisors (see below), whose sum is σ = 234328938. Its totient is φ = 165795840.

The previous prime is 197420459. The next prime is 197420521. The reversal of 197420461 is 164024791.

It can be written as a sum of positive squares in 3 ways, for example, as 91968100 + 105452361 = 9590^2 + 10269^2 .

It is not a de Polignac number, because 197420461 - 2¹ = 197420459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197420401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 768045 + ... + 768301.

Almost surely, 2^197420461 is an apocalyptic number.

It is an amenable number.

197420461 is a deficient number, since it is larger than the sum of its proper divisors (36908477).

197420461 is an frugal number, since it uses more digits than its factorization.

197420461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 197420461 is about 14050.6391669561. The cubic root of 197420461 is about 582.2784544339.

The spelling of 197420461 in words is "one hundred ninety-seven million, four hundred twenty thousand, four hundred sixty-one".