196684836 has 12 divisors (see below), whose sum is σ = 458931312. Its totient is φ = 65561608.

The previous prime is 196684793. The next prime is 196684843. The reversal of 196684836 is 638486691.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 8195190 + ... + 8195213.

It is an arithmetic number, because the mean of its divisors is an integer number (38244276).

Almost surely, 2^196684836 is an apocalyptic number.

It is an amenable number.

196684836 is an abundant number, since it is smaller than the sum of its proper divisors (262246476).

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

196684836 is a wasteful number, since it uses less digits than its factorization.

196684836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16390410 (or 16390408 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 196684836 is about 14024.4371010034. The cubic root of 196684836 is about 581.5543286893.

The spelling of 196684836 in words is "one hundred ninety-six million, six hundred eighty-four thousand, eight hundred thirty-six".