196990684 has 12 divisors (see below), whose sum is σ = 376073208. Its totient is φ = 89541200.

The previous prime is 196990681. The next prime is 196990711. The reversal of 196990684 is 486099691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196990681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2238487 + ... + 2238574.

It is an arithmetic number, because the mean of its divisors is an integer number (31339434).

Almost surely, 2^196990684 is an apocalyptic number.

It is an amenable number.

196990684 is a deficient number, since it is larger than the sum of its proper divisors (179082524).

196990684 is a wasteful number, since it uses less digits than its factorization.

196990684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477076 (or 4477074 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 196990684 is about 14035.3369749358. The cubic root of 196990684 is about 581.8556146045.

The spelling of 196990684 in words is "one hundred ninety-six million, nine hundred ninety thousand, six hundred eighty-four".