196430636 has 12 divisors (see below), whose sum is σ = 343890120. Its totient is φ = 98176320.

The previous prime is 196430629. The next prime is 196430639. The reversal of 196430636 is 636034691.

It is a self number, because there is not a number n which added to its sum of digits gives 196430636.

It is not an unprimeable number, because it can be changed into a prime (196430639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620 + ... + 20148.

It is an arithmetic number, because the mean of its divisors is an integer number (28657510).

Almost surely, 2^196430636 is an apocalyptic number.

It is an amenable number.

196430636 is a deficient number, since it is larger than the sum of its proper divisors (147459484).

196430636 is a wasteful number, since it uses less digits than its factorization.

196430636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19504 (or 19502 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 196430636 is about 14015.3714185533. The cubic root of 196430636 is about 581.3036826204.

The spelling of 196430636 in words is "one hundred ninety-six million, four hundred thirty thousand, six hundred thirty-six".