197395874 has 16 divisors (see below), whose sum is σ = 337628088. Its totient is φ = 85746432.

The previous prime is 197395831. The next prime is 197395901. The reversal of 197395874 is 478593791.

It can be written as a sum of positive squares in 4 ways, for example, as 92025649 + 105370225 = 9593^2 + 10265^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 222857 + ... + 223740.

Almost surely, 2^197395874 is an apocalyptic number.

197395874 is a deficient number, since it is larger than the sum of its proper divisors (140232214).

197395874 is a wasteful number, since it uses less digits than its factorization.

197395874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446629.

The product of its digits is 1905120, while the sum is 53.

The square root of 197395874 is about 14049.7641973095. The cubic root of 197395874 is about 582.2542808593.

The spelling of 197395874 in words is "one hundred ninety-seven million, three hundred ninety-five thousand, eight hundred seventy-four".