19663048 has 16 divisors (see below), whose sum is σ = 37494000. Its totient is φ = 9664656.

The previous prime is 19663031. The next prime is 19663087. The reversal of 19663048 is 84036691.

It is a junction number, because it is equal to n+sod(n) for n = 19662998 and 19663016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20358 + ... + 21301.

It is an arithmetic number, because the mean of its divisors is an integer number (2343375).

Almost surely, 2^19663048 is an apocalyptic number.

It is an amenable number.

19663048 is a deficient number, since it is larger than the sum of its proper divisors (17830952).

19663048 is a wasteful number, since it uses less digits than its factorization.

19663048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41724 (or 41720 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 19663048 is about 4434.3035529833. The cubic root of 19663048 is about 269.9087391616.

The spelling of 19663048 in words is "nineteen million, six hundred sixty-three thousand, forty-eight".