19030000 has 100 divisors (see below), whose sum is σ = 50552568. Its totient is φ = 6880000.

The previous prime is 19029979. The next prime is 19030019. The reversal of 19030000 is 3091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109914 + ... + 110086.

Almost surely, 2^19030000 is an apocalyptic number.

19030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25276284).

19030000 is an abundant number, since it is smaller than the sum of its proper divisors (31522568).

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

19030000 is a wasteful number, since it uses less digits than its factorization.

19030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 19030000 is about 4362.3388222374. The cubic root of 19030000 is about 266.9805332121.

Adding to 19030000 its reverse (3091), we get a palindrome (19033091).

The spelling of 19030000 in words is "nineteen million, thirty thousand".