19485928 has 48 divisors (see below), whose sum is σ = 46375200. Its totient is φ = 7590240.

The previous prime is 19485919. The next prime is 19485929. The reversal of 19485928 is 82958491.

It is not an unprimeable number, because it can be changed into a prime (19485929) 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 11 ways as a sum of consecutive naturals, for example, 2053 + ... + 6571.

It is an arithmetic number, because the mean of its divisors is an integer number (966150).

Almost surely, 2^19485928 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 19485928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23187600).

19485928 is an abundant number, since it is smaller than the sum of its proper divisors (26889272).

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

19485928 is a wasteful number, since it uses less digits than its factorization.

19485928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550 (or 4539 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 19485928 is about 4414.2868053628. The cubic root of 19485928 is about 269.0958692392.

The spelling of 19485928 in words is "nineteen million, four hundred eighty-five thousand, nine hundred twenty-eight".