19969196 has 48 divisors (see below), whose sum is σ = 39414816. Its totient is φ = 8792064.

The previous prime is 19969193. The next prime is 19969211. The reversal of 19969196 is 69196991.

It is not an unprimeable number, because it can be changed into a prime (19969193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186575 + ... + 186681.

It is an arithmetic number, because the mean of its divisors is an integer number (821142).

Almost surely, 2^19969196 is an apocalyptic number.

It is an amenable number.

19969196 is a deficient number, since it is larger than the sum of its proper divisors (19445620).

19969196 is a wasteful number, since it uses less digits than its factorization.

19969196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 256 counting only the distinct ones).

The product of its digits is 236196, while the sum is 50.

The square root of 19969196 is about 4468.6906359693. The cubic root of 19969196 is about 271.3023318513.

The spelling of 19969196 in words is "nineteen million, nine hundred sixty-nine thousand, one hundred ninety-six".