196730856 has 224 divisors, whose sum is σ = 650553600. Its totient is φ = 54587520.

The previous prime is 196730837. The next prime is 196730857. The reversal of 196730856 is 658037691.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (196730857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2490225 + ... + 2490303.

Almost surely, 2^196730856 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 196730856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325276800).

196730856 is an abundant number, since it is smaller than the sum of its proper divisors (453822744).

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

196730856 is an equidigital number, since it uses as much as digits as its factorization.

196730856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 196730856 is about 14026.0777126038. The cubic root of 196730856 is about 581.5996821995.

It can be divided in two parts, 1967 and 30856, that added together give a palindrome (32823).

The spelling of 196730856 in words is "one hundred ninety-six million, seven hundred thirty thousand, eight hundred fifty-six".