197385256 has 8 divisors (see below), whose sum is σ = 370097370. Its totient is φ = 98692624.

The previous prime is 197385247. The next prime is 197385271. The reversal of 197385256 is 652583791.

197385256 is digitally balanced in base 2, 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., 168117156 + 29268100 = 12966^2 + 5410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12336571 + ... + 12336586.

Almost surely, 2^197385256 is an apocalyptic number.

It is an amenable number.

197385256 is a deficient number, since it is larger than the sum of its proper divisors (172712114).

197385256 is a wasteful number, since it uses less digits than its factorization.

197385256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24673163 (or 24673159 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 197385256 is about 14049.3863211174. The cubic root of 197385256 is about 582.2438407782.

The spelling of 197385256 in words is "one hundred ninety-seven million, three hundred eighty-five thousand, two hundred fifty-six".