197442594 has 12 divisors (see below), whose sum is σ = 427792326. Its totient is φ = 65814192.

The previous prime is 197442559. The next prime is 197442611. The reversal of 197442594 is 495244791.

197442594 is a `hidden beast` number, since 19 + 7 + 4 + 42 + 594 = 666.

197442594 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 120231225 + 77211369 = 10965^2 + 8787^2 .

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 5 ways as a sum of consecutive naturals, for example, 5484499 + ... + 5484534.

Almost surely, 2^197442594 is an apocalyptic number.

197442594 is an abundant number, since it is smaller than the sum of its proper divisors (230349732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197442594 is a wasteful number, since it uses less digits than its factorization.

197442594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969041 (or 10969038 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 197442594 is about 14051.4267602973. The cubic root of 197442594 is about 582.3002135555.

The spelling of 197442594 in words is "one hundred ninety-seven million, four hundred forty-two thousand, five hundred ninety-four".