19256928 has 48 divisors (see below), whose sum is σ = 52300080. Its totient is φ = 6196736.

The previous prime is 19256927. The next prime is 19256933. The reversal of 19256928 is 82965291.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 19256928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19256927) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 675 + ... + 6242.

It is an arithmetic number, because the mean of its divisors is an integer number (1089585).

Almost surely, 2^19256928 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 19256928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26150040).

19256928 is an abundant number, since it is smaller than the sum of its proper divisors (33043152).

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

19256928 is a wasteful number, since it uses less digits than its factorization.

19256928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959 (or 6951 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 19256928 is about 4388.2716415464. The cubic root of 19256928 is about 268.0375680609.

The spelling of 19256928 in words is "nineteen million, two hundred fifty-six thousand, nine hundred twenty-eight".