197260788 has 96 divisors (see below), whose sum is σ = 496742400. Its totient is φ = 60787584.

The previous prime is 197260751. The next prime is 197260837. The reversal of 197260788 is 887062791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1809678 + ... + 1809786.

It is an arithmetic number, because the mean of its divisors is an integer number (5174400).

Almost surely, 2^197260788 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 197260788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248371200).

197260788 is an abundant number, since it is smaller than the sum of its proper divisors (299481612).

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

197260788 is a wasteful number, since it uses less digits than its factorization.

197260788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 197260788 is about 14044.9559629071. The cubic root of 197260788 is about 582.1214304791.

The spelling of 197260788 in words is "one hundred ninety-seven million, two hundred sixty thousand, seven hundred eighty-eight".