19448648 has 16 divisors (see below), whose sum is σ = 36516480. Its totient is φ = 9710928.

The previous prime is 19448617. The next prime is 19448659. The reversal of 19448648 is 84684491.

It is a junction number, because it is equal to n+sod(n) for n = 19448599 and 19448608.

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, 7361 + ... + 9647.

It is an arithmetic number, because the mean of its divisors is an integer number (2282280).

Almost surely, 2^19448648 is an apocalyptic number.

It is an amenable number.

19448648 is a deficient number, since it is larger than the sum of its proper divisors (17067832).

19448648 is a wasteful number, since it uses less digits than its factorization.

19448648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356 (or 3352 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 19448648 is about 4410.0621310816. The cubic root of 19448648 is about 268.9241504754.

The spelling of 19448648 in words is "nineteen million, four hundred forty-eight thousand, six hundred forty-eight".