19738048 has 84 divisors (see below), whose sum is σ = 45509688. Its totient is φ = 8419840.

The previous prime is 19738013. The next prime is 19738051. The reversal of 19738048 is 84083791.

It is a self number, because there is not a number n which added to its sum of digits gives 19738048.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372390 + ... + 372442.

It is an arithmetic number, because the mean of its divisors is an integer number (541782).

Almost surely, 2^19738048 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 19738048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22754844).

19738048 is an abundant number, since it is smaller than the sum of its proper divisors (25771640).

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

19738048 is a wasteful number, since it uses less digits than its factorization.

19738048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 19738048 is about 4442.7523000951. The cubic root of 19738048 is about 270.2514712460.

The spelling of 19738048 in words is "nineteen million, seven hundred thirty-eight thousand, forty-eight".