19798343 has 8 divisors (see below), whose sum is σ = 20195136. Its totient is φ = 19404000.

The previous prime is 19798321. The next prime is 19798349. The reversal of 19798343 is 34389791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19798343 - 2⁸ = 19798087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19798294 and 19798303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19798349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27893 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (2524392).

Almost surely, 2^19798343 is an apocalyptic number.

19798343 is a deficient number, since it is larger than the sum of its proper divisors (396793).

19798343 is an equidigital number, since it uses as much as digits as its factorization.

19798343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225.

The product of its digits is 163296, while the sum is 44.

The square root of 19798343 is about 4449.5328968331. The cubic root of 19798343 is about 270.5263759767.

The spelling of 19798343 in words is "nineteen million, seven hundred ninety-eight thousand, three hundred forty-three".