197256384 has 140 divisors (see below), whose sum is σ = 629924064. Its totient is φ = 60673536.

The previous prime is 197256373. The next prime is 197256431. The reversal of 197256384 is 483652791.

197256384 is a `hidden beast` number, since 1 + 9 + 7 + 2 + 5 + 638 + 4 = 666.

197256384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65929 + ... + 68855.

Almost surely, 2^197256384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197256384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314962032).

197256384 is an abundant number, since it is smaller than the sum of its proper divisors (432667680).

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

197256384 is a wasteful number, since it uses less digits than its factorization.

197256384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964 (or 2945 counting only the distinct ones).

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

The square root of 197256384 is about 14044.7991797676. The cubic root of 197256384 is about 582.1170983428.

The spelling of 197256384 in words is "one hundred ninety-seven million, two hundred fifty-six thousand, three hundred eighty-four".