343855243 has 8 divisors (see below), whose sum is σ = 371829312. Its totient is φ = 316742016.

The previous prime is 343855177. The next prime is 343855273. The reversal of 343855243 is 342558343.

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 343855243 - 2²¹ = 341758091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343855273) 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, 214380 + ... + 215977.

It is an arithmetic number, because the mean of its divisors is an integer number (46478664).

Almost surely, 2^343855243 is an apocalyptic number.

343855243 is a deficient number, since it is larger than the sum of its proper divisors (27974069).

343855243 is a wasteful number, since it uses less digits than its factorization.

343855243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430421.

The product of its digits is 172800, while the sum is 37.

The square root of 343855243 is about 18543.3341931811. The cubic root of 343855243 is about 700.5813150724.

The spelling of 343855243 in words is "three hundred forty-three million, eight hundred fifty-five thousand, two hundred forty-three".