196021996 has 12 divisors (see below), whose sum is σ = 343394352. Its totient is φ = 97909328.

The previous prime is 196021979. The next prime is 196021999. The reversal of 196021996 is 699120691.

It is not an unprimeable number, because it can be changed into a prime (196021999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20995 + ... + 28858.

It is an arithmetic number, because the mean of its divisors is an integer number (28616196).

Almost surely, 2^196021996 is an apocalyptic number.

It is an amenable number.

196021996 is a deficient number, since it is larger than the sum of its proper divisors (147372356).

196021996 is a wasteful number, since it uses less digits than its factorization.

196021996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50840 (or 50838 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 196021996 is about 14000.7855493897. The cubic root of 196021996 is about 580.9003021441.

The spelling of 196021996 in words is "one hundred ninety-six million, twenty-one thousand, nine hundred ninety-six".