19434429 has 36 divisors (see below), whose sum is σ = 33007104. Its totient is φ = 10986192.

The previous prime is 19434413. The next prime is 19434431. The reversal of 19434429 is 92443491.

It is not a de Polignac number, because 19434429 - 2⁴ = 19434413 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 19434393 and 19434402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19434439) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 55834 + ... + 56180.

It is an arithmetic number, because the mean of its divisors is an integer number (916864).

Almost surely, 2^19434429 is an apocalyptic number.

It is an amenable number.

19434429 is a deficient number, since it is larger than the sum of its proper divisors (13572675).

19434429 is a wasteful number, since it uses less digits than its factorization.

19434429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 484 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 19434429 is about 4408.4497275119. The cubic root of 19434429 is about 268.8585972512.

The spelling of 19434429 in words is "nineteen million, four hundred thirty-four thousand, four hundred twenty-nine".