19794339 has 6 divisors (see below), whose sum is σ = 28591836. Its totient is φ = 13196220.

The previous prime is 19794311. The next prime is 19794361. The reversal of 19794339 is 93349791.

It is not a de Polignac number, because 19794339 - 2⁸ = 19794083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19794294 and 19794303.

It is not an unprimeable number, because it can be changed into a prime (19794139) 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 5 ways as a sum of consecutive naturals, for example, 1099677 + ... + 1099694.

It is an arithmetic number, because the mean of its divisors is an integer number (4765306).

Almost surely, 2^19794339 is an apocalyptic number.

19794339 is a deficient number, since it is larger than the sum of its proper divisors (8797497).

19794339 is a wasteful number, since it uses less digits than its factorization.

19794339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199377 (or 2199374 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 19794339 is about 4449.0829392134. The cubic root of 19794339 is about 270.5081377393.

The spelling of 19794339 in words is "nineteen million, seven hundred ninety-four thousand, three hundred thirty-nine".