19004434 has 8 divisors (see below), whose sum is σ = 28800828. Its totient is φ = 9404160.

The previous prime is 19004429. The next prime is 19004449. The reversal of 19004434 is 43440091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18464209 + 540225 = 4297^2 + 735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×19004434² = 722337023320712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19004399 and 19004408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48787 + ... + 49174.

Almost surely, 2^19004434 is an apocalyptic number.

19004434 is a deficient number, since it is larger than the sum of its proper divisors (9796394).

19004434 is an equidigital number, since it uses as much as digits as its factorization.

19004434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98060.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 19004434 is about 4359.4075285525. The cubic root of 19004434 is about 266.8609206137.

The spelling of 19004434 in words is "nineteen million, four thousand, four hundred thirty-four".