197682194 has 32 divisors (see below), whose sum is σ = 334558080. Its totient is φ = 87132672.

The previous prime is 197682193. The next prime is 197682203. The reversal of 197682194 is 491286791.

It is not an unprimeable number, because it can be changed into a prime (197682193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29282 + ... + 35394.

It is an arithmetic number, because the mean of its divisors is an integer number (10454940).

Almost surely, 2^197682194 is an apocalyptic number.

197682194 is a deficient number, since it is larger than the sum of its proper divisors (136875886).

197682194 is a wasteful number, since it uses less digits than its factorization.

197682194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194.

The product of its digits is 217728, while the sum is 47.

The square root of 197682194 is about 14059.9499999111. The cubic root of 197682194 is about 582.5356621317.

The spelling of 197682194 in words is "one hundred ninety-seven million, six hundred eighty-two thousand, one hundred ninety-four".