19648432 has 20 divisors (see below), whose sum is σ = 40073080. Its totient is φ = 9307008.

The previous prime is 19648381. The next prime is 19648459. The reversal of 19648432 is 23484691.

It is a junction number, because it is equal to n+sod(n) for n = 19648391 and 19648400.

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, 32013 + ... + 32620.

It is an arithmetic number, because the mean of its divisors is an integer number (2003654).

Almost surely, 2^19648432 is an apocalyptic number.

It is an amenable number.

19648432 is an abundant number, since it is smaller than the sum of its proper divisors (20424648).

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

19648432 is a wasteful number, since it uses less digits than its factorization.

19648432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64660 (or 64654 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 19648432 is about 4432.6551862287. The cubic root of 19648432 is about 269.8418461075.

The spelling of 19648432 in words is "nineteen million, six hundred forty-eight thousand, four hundred thirty-two".