343797847 has 4 divisors (see below), whose sum is σ = 344372400. Its totient is φ = 343223296.

The previous prime is 343797823. The next prime is 343797863. The reversal of 343797847 is 748797343.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343797847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343797794 and 343797803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343797887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286378 + ... + 287575.

It is an arithmetic number, because the mean of its divisors is an integer number (86093100).

Almost surely, 2^343797847 is an apocalyptic number.

343797847 is a deficient number, since it is larger than the sum of its proper divisors (574553).

343797847 is an equidigital number, since it uses as much as digits as its factorization.

343797847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574552.

The product of its digits is 3556224, while the sum is 52.

The square root of 343797847 is about 18541.7865104741. The cubic root of 343797847 is about 700.5423327744.

The spelling of 343797847 in words is "three hundred forty-three million, seven hundred ninety-seven thousand, eight hundred forty-seven".