19896064 has 18 divisors (see below), whose sum is σ = 39714920. Its totient is φ = 9947904.

The previous prime is 19896053. The next prime is 19896083. The reversal of 19896064 is 46069891.

It is a self number, because there is not a number n which added to its sum of digits gives 19896064.

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 as a sum of consecutive naturals, namely, 38604 + ... + 39115.

Almost surely, 2^19896064 is an apocalyptic number.

It is an amenable number.

19896064 is a deficient number, since it is larger than the sum of its proper divisors (19818856).

19896064 is an frugal number, since it uses more digits than its factorization.

19896064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77735 (or 77721 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 19896064 is about 4460.5004203564. The cubic root of 19896064 is about 270.9707352557.

The spelling of 19896064 in words is "nineteen million, eight hundred ninety-six thousand, sixty-four".