343808047 has 4 divisors (see below), whose sum is σ = 375063336. Its totient is φ = 312552760.

The previous prime is 343808029. The next prime is 343808053. The reversal of 343808047 is 740808343.

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

It is a cyclic number.

It is not a de Polignac number, because 343808047 - 2¹¹ = 343805999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343807997 and 343808015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343508047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15627628 + ... + 15627649.

It is an arithmetic number, because the mean of its divisors is an integer number (93765834).

Almost surely, 2^343808047 is an apocalyptic number.

343808047 is a deficient number, since it is larger than the sum of its proper divisors (31255289).

343808047 is a wasteful number, since it uses less digits than its factorization.

343808047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31255288.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 343808047 is about 18542.0615628360. The cubic root of 343808047 is about 700.5492607421.

The spelling of 343808047 in words is "three hundred forty-three million, eight hundred eight thousand, forty-seven".