19796347 has 16 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 17497728.

The previous prime is 19796267. The next prime is 19796377. The reversal of 19796347 is 74369791.

It is a cyclic number.

It is not a de Polignac number, because 19796347 - 2⁷ = 19796219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19796297 and 19796306.

It is not an unprimeable number, because it can be changed into a prime (19796377) 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 15 ways as a sum of consecutive naturals, for example, 53758 + ... + 54124.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^19796347 is an apocalyptic number.

19796347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

19796347 is a deficient number, since it is larger than the sum of its proper divisors (2460293).

19796347 is a wasteful number, since it uses less digits than its factorization.

19796347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its digits is 285768, while the sum is 46.

The square root of 19796347 is about 4449.3085979734. The cubic root of 19796347 is about 270.5172844954.

The spelling of 19796347 in words is "nineteen million, seven hundred ninety-six thousand, three hundred forty-seven".