19934683 has 4 divisors (see below), whose sum is σ = 20117680. Its totient is φ = 19751688.

The previous prime is 19934641. The next prime is 19934689. The reversal of 19934683 is 38643991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19934683 - 2⁹ = 19934171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19934689) 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 3 ways as a sum of consecutive naturals, for example, 91335 + ... + 91552.

It is an arithmetic number, because the mean of its divisors is an integer number (5029420).

Almost surely, 2^19934683 is an apocalyptic number.

19934683 is a deficient number, since it is larger than the sum of its proper divisors (182997).

19934683 is a wasteful number, since it uses less digits than its factorization.

19934683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182996.

The product of its digits is 139968, while the sum is 43.

The square root of 19934683 is about 4464.8273202891. The cubic root of 19934683 is about 271.1459433669.

The spelling of 19934683 in words is "nineteen million, nine hundred thirty-four thousand, six hundred eighty-three".