19026944 has 44 divisors (see below), whose sum is σ = 40309524. Its totient is φ = 8945664.

The previous prime is 19026919. The next prime is 19026949. The reversal of 19026944 is 44962091.

It can be written as a sum of positive squares in 2 ways, for example, as 17305600 + 1721344 = 4160^2 + 1312^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19026949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16862 + ... + 17954.

Almost surely, 2^19026944 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 19026944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20154762).

19026944 is an abundant number, since it is smaller than the sum of its proper divisors (21282580).

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

19026944 is a wasteful number, since it uses less digits than its factorization.

19026944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 19026944 is about 4361.9885373531. The cubic root of 19026944 is about 266.9662411086.

The spelling of 19026944 in words is "nineteen million, twenty-six thousand, nine hundred forty-four".