19073928 has 48 divisors (see below), whose sum is σ = 49332240. Its totient is φ = 6145440.

The previous prime is 19073921. The next prime is 19073939. The reversal of 19073928 is 82937091.

It is not an unprimeable number, because it can be changed into a prime (19073921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22651 + ... + 23477.

It is an arithmetic number, because the mean of its divisors is an integer number (1027755).

Almost surely, 2^19073928 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 19073928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24666120).

19073928 is an abundant number, since it is smaller than the sum of its proper divisors (30258312).

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

19073928 is a wasteful number, since it uses less digits than its factorization.

19073928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 19073928 is about 4367.3708338084. The cubic root of 19073928 is about 267.1858039836.

The spelling of 19073928 in words is "nineteen million, seventy-three thousand, nine hundred twenty-eight".