19856848 has 40 divisors (see below), whose sum is σ = 42229440. Its totient is φ = 8970240.

The previous prime is 19856839. The next prime is 19856869. The reversal of 19856848 is 84865891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45013 + ... + 45451.

It is an arithmetic number, because the mean of its divisors is an integer number (1055736).

Almost surely, 2^19856848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19856848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21114720).

19856848 is an abundant number, since it is smaller than the sum of its proper divisors (22372592).

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

19856848 is a wasteful number, since it uses less digits than its factorization.

19856848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 709 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The square root of 19856848 is about 4456.1023327567. The cubic root of 19856848 is about 270.7925864906.

The spelling of 19856848 in words is "nineteen million, eight hundred fifty-six thousand, eight hundred forty-eight".