19342128 has 80 divisors (see below), whose sum is σ = 54440960. Its totient is φ = 5882112.

The previous prime is 19342121. The next prime is 19342129. The reversal of 19342128 is 82124391.

It is a junction number, because it is equal to n+sod(n) for n = 19342095 and 19342104.

It is not an unprimeable number, because it can be changed into a prime (19342121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86625 + ... + 86847.

It is an arithmetic number, because the mean of its divisors is an integer number (680512).

Almost surely, 2^19342128 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 19342128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27220480).

19342128 is an abundant number, since it is smaller than the sum of its proper divisors (35098832).

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

19342128 is a wasteful number, since it uses less digits than its factorization.

19342128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 380 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 19342128 is about 4397.9686219890. The cubic root of 19342128 is about 268.4322866744.

The spelling of 19342128 in words is "nineteen million, three hundred forty-two thousand, one hundred twenty-eight".