19796764 has 12 divisors (see below), whose sum is σ = 37309384. Its totient is φ = 9136944.

The previous prime is 19796753. The next prime is 19796807. The reversal of 19796764 is 46769791.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 190302 + ... + 190405.

Almost surely, 2^19796764 is an apocalyptic number.

It is an amenable number.

19796764 is a deficient number, since it is larger than the sum of its proper divisors (17512620).

19796764 is a wasteful number, since it uses less digits than its factorization.

19796764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380724 (or 380722 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The square root of 19796764 is about 4449.3554589401. The cubic root of 19796764 is about 270.5191839185.

The spelling of 19796764 in words is "nineteen million, seven hundred ninety-six thousand, seven hundred sixty-four".