19896896 has 14 divisors (see below), whose sum is σ = 39483030. Its totient is φ = 9948416.

The previous prime is 19896893. The next prime is 19896901. The reversal of 19896896 is 69869891.

It can be written as a sum of positive squares in only one way, i.e., 14440000 + 5456896 = 3800^2 + 2336^2 .

It is not an unprimeable number, because it can be changed into a prime (19896893) 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 as a sum of consecutive naturals, namely, 155381 + ... + 155508.

Almost surely, 2^19896896 is an apocalyptic number.

19896896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19896896 is a deficient number, since it is larger than the sum of its proper divisors (19586134).

19896896 is an equidigital number, since it uses as much as digits as its factorization.

19896896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310901 (or 310891 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 56.

The square root of 19896896 is about 4460.5936824598. The cubic root of 19896896 is about 270.9745122927.

The spelling of 19896896 in words is "nineteen million, eight hundred ninety-six thousand, eight hundred ninety-six".