19894848 has 28 divisors (see below), whose sum is σ = 52638960. Its totient is φ = 6631552.

The previous prime is 19894837. The next prime is 19894867. The reversal of 19894848 is 84849891.

It is a self number, because there is not a number n which added to its sum of digits gives 19894848.

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, 51618 + ... + 52001.

Almost surely, 2^19894848 is an apocalyptic number.

It is an amenable number.

19894848 is an abundant number, since it is smaller than the sum of its proper divisors (32744112).

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

19894848 is a wasteful number, since it uses less digits than its factorization.

19894848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103634 (or 103624 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 19894848 is about 4460.3641106977. The cubic root of 19894848 is about 270.9652147815.

The spelling of 19894848 in words is "nineteen million, eight hundred ninety-four thousand, eight hundred forty-eight".