19082004 has 48 divisors (see below), whose sum is σ = 47308800. Its totient is φ = 5969376.

The previous prime is 19082003. The next prime is 19082017. The reversal of 19082004 is 40028091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19082003) 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, 28627 + ... + 29285.

It is an arithmetic number, because the mean of its divisors is an integer number (985600).

Almost surely, 2^19082004 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 19082004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23654400).

19082004 is an abundant number, since it is smaller than the sum of its proper divisors (28226796).

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

19082004 is a wasteful number, since it uses less digits than its factorization.

19082004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 19082004 is about 4368.2953196871. The cubic root of 19082004 is about 267.2235079476.

The spelling of 19082004 in words is "nineteen million, eighty-two thousand, four".