343411421 has 8 divisors (see below), whose sum is σ = 348213600. Its totient is φ = 338625232.

The previous prime is 343411399. The next prime is 343411427. The reversal of 343411421 is 124114343.

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 343411421 - 2⁶ = 343411357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343411427) 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, 43055 + ... + 50403.

It is an arithmetic number, because the mean of its divisors is an integer number (43526700).

Almost surely, 2^343411421 is an apocalyptic number.

It is an amenable number.

343411421 is a deficient number, since it is larger than the sum of its proper divisors (4802179).

343411421 is an equidigital number, since it uses as much as digits as its factorization.

343411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995.

The product of its digits is 1152, while the sum is 23.

The square root of 343411421 is about 18531.3631716612. The cubic root of 343411421 is about 700.2797664032.

Adding to 343411421 its reverse (124114343), we get a palindrome (467525764).

The spelling of 343411421 in words is "three hundred forty-three million, four hundred eleven thousand, four hundred twenty-one".