197241385 has 16 divisors (see below), whose sum is σ = 260770752. Its totient is φ = 142024000.

The previous prime is 197241379. The next prime is 197241397. The reversal of 197241385 is 583142791.

It is not a de Polignac number, because 197241385 - 2³ = 197241377 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 12199 + ... + 23308.

It is an arithmetic number, because the mean of its divisors is an integer number (16298172).

Almost surely, 2^197241385 is an apocalyptic number.

It is an amenable number.

197241385 is a deficient number, since it is larger than the sum of its proper divisors (63529367).

197241385 is a wasteful number, since it uses less digits than its factorization.

197241385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35624.

The product of its digits is 60480, while the sum is 40.

The square root of 197241385 is about 14044.2651997176. The cubic root of 197241385 is about 582.1023436101.

The spelling of 197241385 in words is "one hundred ninety-seven million, two hundred forty-one thousand, three hundred eighty-five".