19448104 has 32 divisors (see below), whose sum is σ = 40236840. Its totient is φ = 8755200.

The previous prime is 19448101. The next prime is 19448113. The reversal of 19448104 is 40184491.

19448104 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 4 ways, for example, as 6502500 + 12945604 = 2550^2 + 3598^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19448101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984 + ... + 6544.

Almost surely, 2^19448104 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 19448104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20118420).

19448104 is an abundant number, since it is smaller than the sum of its proper divisors (20788736).

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

19448104 is a wasteful number, since it uses less digits than its factorization.

19448104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 19448104 is about 4410.0004535147. Note that the first 3 decimals coincide. The cubic root of 19448104 is about 268.9216430842.

The spelling of 19448104 in words is "nineteen million, four hundred forty-eight thousand, one hundred four".