343443871 has 4 divisors (see below), whose sum is σ = 343548544. Its totient is φ = 343339200.

The previous prime is 343443851. The next prime is 343443883. The reversal of 343443871 is 178344343.

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 343443871 - 2⁷ = 343443743 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 343443871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343443851) 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, 47250 + ... + 54031.

It is an arithmetic number, because the mean of its divisors is an integer number (85887136).

Almost surely, 2^343443871 is an apocalyptic number.

343443871 is a deficient number, since it is larger than the sum of its proper divisors (104673).

343443871 is a wasteful number, since it uses less digits than its factorization.

343443871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104672.

The product of its digits is 96768, while the sum is 37.

The square root of 343443871 is about 18532.2386936927. The cubic root of 343443871 is about 700.3018229039.

The spelling of 343443871 in words is "three hundred forty-three million, four hundred forty-three thousand, eight hundred seventy-one".