19030104 has 48 divisors (see below), whose sum is σ = 52018200. Its totient is φ = 6284544.

The previous prime is 19030049. The next prime is 19030111. The reversal of 19030104 is 40103091.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6967 + ... + 9305.

Almost surely, 2^19030104 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 19030104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26009100).

19030104 is an abundant number, since it is smaller than the sum of its proper divisors (32988096).

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

19030104 is a wasteful number, since it uses less digits than its factorization.

19030104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 19030104 is about 4362.3507424323. The cubic root of 19030104 is about 266.9810195656.

Adding to 19030104 its reverse (40103091), we get a palindrome (59133195).

The spelling of 19030104 in words is "nineteen million, thirty thousand, one hundred four".