196397636 has 12 divisors (see below), whose sum is σ = 348826128. Its totient is φ = 96733032.

The previous prime is 196397633. The next prime is 196397639. The reversal of 196397636 is 636793691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (196397633) and next prime (196397639).

It is not an unprimeable number, because it can be changed into a prime (196397633) 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 3 ways as a sum of consecutive naturals, for example, 366146 + ... + 366681.

It is an arithmetic number, because the mean of its divisors is an integer number (29068844).

Almost surely, 2^196397636 is an apocalyptic number.

It is an amenable number.

196397636 is a deficient number, since it is larger than the sum of its proper divisors (152428492).

196397636 is a wasteful number, since it uses less digits than its factorization.

196397636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732898 (or 732896 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 50.

The square root of 196397636 is about 14014.1940902786. The cubic root of 196397636 is about 581.2711281332.

It can be divided in two parts, 1963 and 97636, that added together give a palindrome (99599).

The spelling of 196397636 in words is "one hundred ninety-six million, three hundred ninety-seven thousand, six hundred thirty-six".