819747343 has 8 divisors (see below), whose sum is σ = 879174000. Its totient is φ = 761948928.

The previous prime is 819747329. The next prime is 819747367. The reversal of 819747343 is 343747918.

819747343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 819747343 - 2⁹ = 819746831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 819747293 and 819747302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819747143) 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, 406018 + ... + 408031.

It is an arithmetic number, because the mean of its divisors is an integer number (109896750).

Almost surely, 2^819747343 is an apocalyptic number.

819747343 is a deficient number, since it is larger than the sum of its proper divisors (59426657).

819747343 is a wasteful number, since it uses less digits than its factorization.

819747343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814121.

The product of its digits is 508032, while the sum is 46.

The square root of 819747343 is about 28631.2302040971. The cubic root of 819747343 is about 935.8940205422.

The spelling of 819747343 in words is "eight hundred nineteen million, seven hundred forty-seven thousand, three hundred forty-three".