19874048 has 36 divisors (see below), whose sum is σ = 41053740. Its totient is φ = 9590784.

The previous prime is 19874021. The next prime is 19874083. The reversal of 19874048 is 84047891.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 15745024 = 2032^2 + 3968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19873996 and 19874014.

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, 6086 + ... + 8762.

Almost surely, 2^19874048 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 19874048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20526870).

19874048 is an abundant number, since it is smaller than the sum of its proper divisors (21179692).

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

19874048 is an equidigital number, since it uses as much as digits as its factorization.

19874048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 19874048 is about 4458.0318527350. The cubic root of 19874048 is about 270.8707507645.

The spelling of 19874048 in words is "nineteen million, eight hundred seventy-four thousand, forty-eight".