196535808 has 200 divisors, whose sum is σ = 671398992. Its totient is φ = 56070144.

The previous prime is 196535803. The next prime is 196535809. The reversal of 196535808 is 808535691.

196535808 is a `hidden beast` number, since 1 + 9 + 65 + 3 + 580 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196535803) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 289966 + ... + 290642.

Almost surely, 2^196535808 is an apocalyptic number.

196535808 is a gapful number since it is divisible by the number (18) 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 196535808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335699496).

196535808 is an abundant number, since it is smaller than the sum of its proper divisors (474863184).

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

196535808 is an frugal number, since it uses more digits than its factorization.

196535808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 196535808 is about 14019.1229397563. The cubic root of 196535808 is about 581.4074104370.

It can be divided in two parts, 1965 and 35808, that added together give a palindrome (37773).

The spelling of 196535808 in words is "one hundred ninety-six million, five hundred thirty-five thousand, eight hundred eight".