343219643 has 4 divisors (see below), whose sum is σ = 369621168. Its totient is φ = 316818120.

The previous prime is 343219633. The next prime is 343219663. The reversal of 343219643 is 346912343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346912343 = 103 ⋅3368081.

It is a cyclic number.

It is not a de Polignac number, because 343219643 - 2¹² = 343215547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343219633) 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, 13200743 + ... + 13200768.

It is an arithmetic number, because the mean of its divisors is an integer number (92405292).

Almost surely, 2^343219643 is an apocalyptic number.

343219643 is a deficient number, since it is larger than the sum of its proper divisors (26401525).

343219643 is a wasteful number, since it uses less digits than its factorization.

343219643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401524.

The product of its digits is 46656, while the sum is 35.

The square root of 343219643 is about 18526.1880320804. The cubic root of 343219643 is about 700.1493851247.

The spelling of 343219643 in words is "three hundred forty-three million, two hundred nineteen thousand, six hundred forty-three".