196209936 has 120 divisors (see below), whose sum is σ = 595050456. Its totient is φ = 59996160.

The previous prime is 196209931. The next prime is 196209967. The reversal of 196209936 is 639902691.

It is a happy number.

196209936 is a `hidden beast` number, since 19 + 620 + 9 + 9 + 3 + 6 = 666.

196209936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18147600 + 178062336 = 4260^2 + 13344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 196209891 and 196209900.

It is not an unprimeable number, because it can be changed into a prime (196209931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525846 + ... + 526218.

Almost surely, 2^196209936 is an apocalyptic number.

196209936 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 196209936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297525228).

196209936 is an abundant number, since it is smaller than the sum of its proper divisors (398840520).

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

196209936 is a wasteful number, since it uses less digits than its factorization.

196209936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 196209936 is about 14007.4957076560. The cubic root of 196209936 is about 581.0858927624.

The spelling of 196209936 in words is "one hundred ninety-six million, two hundred nine thousand, nine hundred thirty-six".