197136896 has 160 divisors (see below), whose sum is σ = 477290880. Its totient is φ = 80281600.

The previous prime is 197136881. The next prime is 197136899. The reversal of 197136896 is 698631791.

It is not an unprimeable number, because it can be changed into a prime (197136899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776541 + ... + 2776611.

It is an arithmetic number, because the mean of its divisors is an integer number (2983068).

Almost surely, 2^197136896 is an apocalyptic number.

197136896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197136896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238645440).

197136896 is an abundant number, since it is smaller than the sum of its proper divisors (280153984).

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

197136896 is a wasteful number, since it uses less digits than its factorization.

197136896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 130 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 197136896 is about 14040.5447187778. The cubic root of 197136896 is about 581.9995355113. Note that the first 3 decimals are identical.

The spelling of 197136896 in words is "one hundred ninety-seven million, one hundred thirty-six thousand, eight hundred ninety-six".