19434108 has 24 divisors (see below), whose sum is σ = 46402048. Its totient is φ = 6327216.

The previous prime is 19434101. The next prime is 19434109. The reversal of 19434108 is 80143491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19434101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18316 + ... + 19347.

Almost surely, 2^19434108 is an apocalyptic number.

It is an amenable number.

19434108 is an abundant number, since it is smaller than the sum of its proper divisors (26967940).

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

19434108 is a wasteful number, since it uses less digits than its factorization.

19434108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37713 (or 37711 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 19434108 is about 4408.4133200053. The cubic root of 19434108 is about 268.8571169901.

Adding to 19434108 its reverse (80143491), we get a palindrome (99577599).

The spelling of 19434108 in words is "nineteen million, four hundred thirty-four thousand, one hundred eight".