19104402 has 16 divisors (see below), whose sum is σ = 38301120. Its totient is φ = 6352752.

The previous prime is 19104391. The next prime is 19104403. The reversal of 19104402 is 20440191.

It is not an unprimeable number, because it can be changed into a prime (19104403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 6260.

It is an arithmetic number, because the mean of its divisors is an integer number (2393820).

Almost surely, 2^19104402 is an apocalyptic number.

19104402 is an abundant number, since it is smaller than the sum of its proper divisors (19196718).

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

19104402 is a wasteful number, since it uses less digits than its factorization.

19104402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 19104402 is about 4370.8582681208. The cubic root of 19104402 is about 267.3280205880.

Adding to 19104402 its reverse (20440191), we get a palindrome (39544593).

The spelling of 19104402 in words is "nineteen million, one hundred four thousand, four hundred two".