19434668 has 12 divisors (see below), whose sum is σ = 37102632. Its totient is φ = 8833920.

The previous prime is 19434643. The next prime is 19434671. The reversal of 19434668 is 86643491.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220805 + ... + 220892.

It is an arithmetic number, because the mean of its divisors is an integer number (3091886).

Almost surely, 2^19434668 is an apocalyptic number.

It is an amenable number.

19434668 is a deficient number, since it is larger than the sum of its proper divisors (17667964).

19434668 is a wasteful number, since it uses less digits than its factorization.

19434668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441712 (or 441710 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 19434668 is about 4408.4768344634. The cubic root of 19434668 is about 268.8596993664.

It can be divided in two parts, 19434 and 668, that added together give a palindrome (20102).

The spelling of 19434668 in words is "nineteen million, four hundred thirty-four thousand, six hundred sixty-eight".