197730936 has 128 divisors (see below), whose sum is σ = 600902400. Its totient is φ = 59875200.

The previous prime is 197730887. The next prime is 197730941. The reversal of 197730936 is 639037791.

It is a junction number, because it is equal to n+sod(n) for n = 197730891 and 197730900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187611 + ... + 188661.

It is an arithmetic number, because the mean of its divisors is an integer number (4694550).

Almost surely, 2^197730936 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 197730936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300451200).

197730936 is an abundant number, since it is smaller than the sum of its proper divisors (403171464).

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

197730936 is a wasteful number, since it uses less digits than its factorization.

197730936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 45.

The square root of 197730936 is about 14061.6832562819. The cubic root of 197730936 is about 582.5835363135.

The spelling of 197730936 in words is "one hundred ninety-seven million, seven hundred thirty thousand, nine hundred thirty-six".