343420417 has 8 divisors (see below), whose sum is σ = 363958272. Its totient is φ = 322920000.

The previous prime is 343420411. The next prime is 343420433. The reversal of 343420417 is 714024343.

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 343420417 - 2⁷ = 343420289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343420411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10792 + ... + 28342.

It is an arithmetic number, because the mean of its divisors is an integer number (45494784).

Almost surely, 2^343420417 is an apocalyptic number.

It is an amenable number.

343420417 is a deficient number, since it is larger than the sum of its proper divisors (20537855).

343420417 is a wasteful number, since it uses less digits than its factorization.

343420417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 343420417 is about 18531.6058937157. The cubic root of 343420417 is about 700.2858811889.

The spelling of 343420417 in words is "three hundred forty-three million, four hundred twenty thousand, four hundred seventeen".