19996008 has 32 divisors (see below), whose sum is σ = 50481600. Its totient is φ = 6599808.

The previous prime is 19996007. The next prime is 19996013. The reversal of 19996008 is 80069991.

It is not an unprimeable number, because it can be changed into a prime (19996001) 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 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 6516.

It is an arithmetic number, because the mean of its divisors is an integer number (1577550).

Almost surely, 2^19996008 is an apocalyptic number.

It is an amenable number.

19996008 is an abundant number, since it is smaller than the sum of its proper divisors (30485592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19996008 is a wasteful number, since it uses less digits than its factorization.

19996008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201 (or 8197 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 19996008 is about 4471.6896135577. The cubic root of 19996008 is about 271.4237005326.

The spelling of 19996008 in words is "nineteen million, nine hundred ninety-six thousand, eight".